CVE-2021-47262 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2021-47262 Interim 1 9 2025-05-13T00:18:39Z current 2024-05-22T23:40:04Z 2025-05-13T00:18:39Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z CVE-2021-47262 In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure liveliness of nested VM-Enter fail tracepoint message Use the __string() machinery provided by the tracing subystem to make a copy of the string literals consumed by the "nested VM-Enter failed" tracepoint. A complete copy is necessary to ensure that the tracepoint can't outlive the data/memory it consumes and deference stale memory. Because the tracepoint itself is defined by kvm, if kvm-intel and/or kvm-amd are built as modules, the memory holding the string literals defined by the vendor modules will be freed when the module is unloaded, whereas the tracepoint and its data in the ring buffer will live until kvm is unloaded (or "indefinitely" if kvm is built-in). This bug has existed since the tracepoint was added, but was recently exposed by a new check in tracing to detect exactly this type of bug. fmt: '%s%s ' current_buffer: ' vmx_dirty_log_t-140127 [003] .... kvm_nested_vmenter_failed: ' WARNING: CPU: 3 PID: 140134 at kernel/trace/trace.c:3759 trace_check_vprintf+0x3be/0x3e0 CPU: 3 PID: 140134 Comm: less Not tainted 5.13.0-rc1-ce2e73ce600a-req #184 Hardware name: ASUS Q87M-E/Q87M-E, BIOS 1102 03/03/2014 RIP: 0010:trace_check_vprintf+0x3be/0x3e0 Code: <0f> 0b 44 8b 4c 24 1c e9 a9 fe ff ff c6 44 02 ff 00 49 8b 97 b0 20 RSP: 0018:ffffa895cc37bcb0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffa895cc37bd08 RCX: 0000000000000027 RDX: 0000000000000027 RSI: 00000000ffffdfff RDI: ffff9766cfad74f8 RBP: ffffffffc0a041d4 R08: ffff9766cfad74f0 R09: ffffa895cc37bad8 R10: 0000000000000001 R11: 0000000000000001 R12: ffffffffc0a041d4 R13: ffffffffc0f4dba8 R14: 0000000000000000 R15: ffff976409f2c000 FS: 00007f92fa200740(0000) GS:ffff9766cfac0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559bd11b0000 CR3: 000000019fbaa002 CR4: 00000000001726e0 Call Trace: trace_event_printf+0x5e/0x80 trace_raw_output_kvm_nested_vmenter_failed+0x3a/0x60 [kvm] print_trace_line+0x1dd/0x4e0 s_show+0x45/0x150 seq_read_iter+0x2d5/0x4c0 seq_read+0x106/0x150 vfs_read+0x98/0x180 ksys_read+0x5f/0xe0 do_syscall_64+0x40/0xb0 entry_SYSCALL_64_after_hwframe+0x44/0xae The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). https://www.suse.com/support/security/rating/ SUSE Security Ratings SUSE Enterprise Storage 7.1 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Development Tools 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Development Tools 15 SP6 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Development Tools 15 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Development Tools 15 SP6 SUSE Linux Enterprise Module for Public Cloud 15 SP6 SUSE Linux Enterprise Micro 5.0 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Real Time 12 SP5 SUSE Real Time Module 15 SP5 SUSE Real Time Module 15 SP6 SUSE Linux Enterprise Server 11 SP4 LTSS SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE SUSE Linux Enterprise Server 12 SP4-LTSS SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SP1-LTSS SUSE Linux Enterprise Server 15 SP2-LTSS SUSE Linux Enterprise Server 15 SP3-LTSS SUSE Linux Enterprise Server 15 SP4-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Development Tools 15 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Development Tools 15 SP6 SUSE Linux Enterprise Module for Public Cloud 15 SP6 SUSE Linux Enterprise Server 15-LTSS SUSE Linux Enterprise Server Teradata 12 SP3 SUSE Linux Enterprise Server Teradata 12 SP3-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Development Tools 15 SP5 SUSE Linux Enterprise Module for Public Cloud 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Development Tools 15 SP6 SUSE Linux Enterprise Module for Public Cloud 15 SP6 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 9 openSUSE Leap 15.5 openSUSE Leap 15.6 cluster-md-kmp-default dlm-kmp-default gfs2-kmp-default kernel-default kernel-default-base kernel-default-devel kernel-default-extra kernel-default-livepatch kernel-default-livepatch-devel kernel-default-man kernel-default-optional kernel-default-vdso kernel-devel kernel-devel-azure kernel-devel-rt kernel-macros kernel-rt kernel-source kernel-source-azure kernel-source-rt kernel-source-vanilla kselftests-kmp-default ocfs2-kmp-default reiserfs-kmp-default kernel-default as a component of SUSE Enterprise Storage 7.1 kernel-default-devel as a component of SUSE Enterprise Storage 7.1 reiserfs-kmp-default as a component of SUSE Enterprise Storage 7.1 kernel-devel as a component of SUSE Enterprise Storage 7.1 kernel-macros as a component of SUSE Enterprise Storage 7.1 kernel-source as a component of SUSE Enterprise Storage 7.1 kernel-default as a component of SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source as a component of SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-source-azure as a component of SUSE Linux Enterprise High Performance Computing 12 SP5 kernel-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-default-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-macros as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-source as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-default-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-macros as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-source as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-default-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS reiserfs-kmp-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-macros as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-source as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-default-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-devel as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-macros as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-source as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-default as a component of SUSE Linux Enterprise Micro 5.0 kernel-default as a component of SUSE Linux Enterprise Micro 5.1 kernel-rt as a component of SUSE Linux Enterprise Micro 5.1 kernel-source-rt as a component of SUSE Linux Enterprise Micro 5.1 kernel-default as a component of SUSE Linux Enterprise Micro 5.2 kernel-rt as a component of SUSE Linux Enterprise Micro 5.2 kernel-source-rt as a component of SUSE Linux Enterprise Micro 5.2 kernel-default as a component of SUSE Linux Enterprise Micro 5.3 kernel-rt as a component of SUSE Linux Enterprise Micro 5.3 kernel-source-rt as a component of SUSE Linux Enterprise Micro 5.3 kernel-default as a component of SUSE Linux Enterprise Micro 5.4 kernel-rt as a component of SUSE Linux Enterprise Micro 5.4 kernel-source-rt as a component of SUSE Linux Enterprise Micro 5.4 kernel-devel-rt as a component of SUSE Linux Enterprise Micro 5.5 kernel-source-rt as a component of SUSE Linux Enterprise Micro 5.5 kernel-default as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-default-devel as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-devel as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-macros as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-source as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-default as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 kernel-default-devel as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 kernel-devel as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 kernel-macros as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 kernel-source as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 kernel-default as a component of SUSE Linux Enterprise Module for Development Tools 15 SP5 kernel-source as a component of SUSE Linux Enterprise Module for Development Tools 15 SP5 kernel-default as a component of SUSE Linux Enterprise Module for Development Tools 15 SP6 kernel-source as a component of SUSE Linux Enterprise Module for Development Tools 15 SP6 kernel-devel-azure as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP5 kernel-source-azure as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP5 kernel-devel-azure as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP6 kernel-source-azure as a component of SUSE Linux Enterprise Module for Public Cloud 15 SP6 kernel-devel-rt as a component of SUSE Linux Enterprise Real Time 12 SP5 kernel-source-rt as a component of SUSE Linux Enterprise Real Time 12 SP5 kernel-default as a component of SUSE Linux Enterprise Server 11 SP4 LTSS kernel-source as a component of SUSE Linux Enterprise Server 11 SP4 LTSS kernel-default as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default-base as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default-devel as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-source as a component of SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE kernel-default as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default-base as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default-man as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-source as a component of SUSE Linux Enterprise Server 12 SP4-LTSS kernel-default as a component of SUSE Linux Enterprise Server 12 SP5 kernel-default-base as a component of SUSE Linux Enterprise Server 12 SP5 kernel-default-devel as a component of SUSE Linux Enterprise Server 12 SP5 kernel-default-man as a component of SUSE Linux Enterprise Server 12 SP5 kernel-devel as a component of SUSE Linux Enterprise Server 12 SP5 kernel-macros as a component of SUSE Linux Enterprise Server 12 SP5 kernel-source as a component of SUSE Linux Enterprise Server 12 SP5 kernel-devel-azure as a component of SUSE Linux Enterprise Server 12 SP5 kernel-source-azure as a component of SUSE Linux Enterprise Server 12 SP5 kernel-default as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-default-base as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-default-man as a component of SUSE Linux Enterprise Server 15 SP1-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-source as a component of SUSE Linux Enterprise Server 15 SP1-LTSS kernel-default as a component of SUSE Linux Enterprise Server 15 SP2-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 15 SP2-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise Server 15 SP2-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 15 SP2-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 15 SP2-LTSS kernel-source as a component of SUSE Linux Enterprise Server 15 SP2-LTSS kernel-default as a component of SUSE Linux Enterprise Server 15 SP3-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 15 SP3-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise Server 15 SP3-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 15 SP3-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 15 SP3-LTSS kernel-source as a component of SUSE Linux Enterprise Server 15 SP3-LTSS kernel-default as a component of SUSE Linux Enterprise Server 15 SP4-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 15 SP4-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise Server 15 SP4-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 15 SP4-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 15 SP4-LTSS kernel-source as a component of SUSE Linux Enterprise Server 15 SP4-LTSS kernel-default as a component of SUSE Linux Enterprise Server 15-LTSS kernel-default-base as a component of SUSE Linux Enterprise Server 15-LTSS kernel-default-devel as a component of SUSE Linux Enterprise Server 15-LTSS kernel-default-man as a component of SUSE Linux Enterprise Server 15-LTSS reiserfs-kmp-default as a component of SUSE Linux Enterprise Server 15-LTSS kernel-devel as a component of SUSE Linux Enterprise Server 15-LTSS kernel-macros as a component of SUSE Linux Enterprise Server 15-LTSS kernel-source as a component of SUSE Linux Enterprise Server 15-LTSS kernel-default as a component of SUSE Linux Enterprise Server Teradata 12 SP3 kernel-source as a component of SUSE Linux Enterprise Server Teradata 12 SP3 kernel-default as a component of SUSE Linux Enterprise Server Teradata 12 SP3-LTSS kernel-source as a component of SUSE Linux Enterprise Server Teradata 12 SP3-LTSS kernel-default as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default-base as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default-devel as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-devel as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-macros as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-source as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-default as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-source-azure as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 kernel-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-default-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 reiserfs-kmp-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-macros as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-source as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-default-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 reiserfs-kmp-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-macros as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-source as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-default-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 reiserfs-kmp-default as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-devel as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-macros as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-source as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-default as a component of SUSE Manager Proxy 4.3 kernel-default-devel as a component of SUSE Manager Proxy 4.3 kernel-devel as a component of SUSE Manager Proxy 4.3 kernel-macros as a component of SUSE Manager Proxy 4.3 kernel-source as a component of SUSE Manager Proxy 4.3 kernel-default as a component of SUSE Manager Retail Branch Server 4.3 kernel-default-devel as a component of SUSE Manager Retail Branch Server 4.3 kernel-devel as a component of SUSE Manager Retail Branch Server 4.3 kernel-macros as a component of SUSE Manager Retail Branch Server 4.3 kernel-source as a component of SUSE Manager Retail Branch Server 4.3 kernel-default as a component of SUSE Manager Server 4.3 kernel-default-devel as a component of SUSE Manager Server 4.3 kernel-devel as a component of SUSE Manager Server 4.3 kernel-macros as a component of SUSE Manager Server 4.3 kernel-source as a component of SUSE Manager Server 4.3 kernel-default as a component of SUSE OpenStack Cloud 9 kernel-default-base as a component of SUSE OpenStack Cloud 9 kernel-default-devel as a component of SUSE OpenStack Cloud 9 kernel-devel as a component of SUSE OpenStack Cloud 9 kernel-macros as a component of SUSE OpenStack Cloud 9 kernel-source as a component of SUSE OpenStack Cloud 9 kernel-default as a component of SUSE OpenStack Cloud Crowbar 9 kernel-default-base as a component of SUSE OpenStack Cloud Crowbar 9 kernel-default-devel as a component of SUSE OpenStack Cloud Crowbar 9 kernel-devel as a component of SUSE OpenStack Cloud Crowbar 9 kernel-macros as a component of SUSE OpenStack Cloud Crowbar 9 kernel-source as a component of SUSE OpenStack Cloud Crowbar 9 kernel-devel-rt as a component of SUSE Real Time Module 15 SP5 kernel-source-rt as a component of SUSE Real Time Module 15 SP5 kernel-devel-rt as a component of SUSE Real Time Module 15 SP6 kernel-source-rt as a component of SUSE Real Time Module 15 SP6 cluster-md-kmp-default as a component of openSUSE Leap 15.5 dlm-kmp-default as a component of openSUSE Leap 15.5 gfs2-kmp-default as a component of openSUSE Leap 15.5 kernel-default as a component of openSUSE Leap 15.5 kernel-default-devel as a component of openSUSE Leap 15.5 kernel-default-extra as a component of openSUSE Leap 15.5 kernel-default-livepatch as a component of openSUSE Leap 15.5 kernel-default-livepatch-devel as a component of openSUSE Leap 15.5 kernel-default-optional as a component of openSUSE Leap 15.5 kernel-default-vdso as a component of openSUSE Leap 15.5 kselftests-kmp-default as a component of openSUSE Leap 15.5 ocfs2-kmp-default as a component of openSUSE Leap 15.5 reiserfs-kmp-default as a component of openSUSE Leap 15.5 kernel-devel as a component of openSUSE Leap 15.5 kernel-macros as a component of openSUSE Leap 15.5 kernel-source as a component of openSUSE Leap 15.5 kernel-source-vanilla as a component of openSUSE Leap 15.5 kernel-devel-azure as a component of openSUSE Leap 15.5 kernel-source-azure as a component of openSUSE Leap 15.5 kernel-devel-rt as a component of openSUSE Leap 15.5 kernel-source-rt as a component of openSUSE Leap 15.5 cluster-md-kmp-default as a component of openSUSE Leap 15.6 dlm-kmp-default as a component of openSUSE Leap 15.6 gfs2-kmp-default as a component of openSUSE Leap 15.6 kernel-default as a component of openSUSE Leap 15.6 kernel-default-devel as a component of openSUSE Leap 15.6 kernel-default-extra as a component of openSUSE Leap 15.6 kernel-default-livepatch as a component of openSUSE Leap 15.6 kernel-default-livepatch-devel as a component of openSUSE Leap 15.6 kernel-default-optional as a component of openSUSE Leap 15.6 kernel-default-vdso as a component of openSUSE Leap 15.6 kselftests-kmp-default as a component of openSUSE Leap 15.6 ocfs2-kmp-default as a component of openSUSE Leap 15.6 reiserfs-kmp-default as a component of openSUSE Leap 15.6 kernel-devel as a component of openSUSE Leap 15.6 kernel-macros as a component of openSUSE Leap 15.6 kernel-source as a component of openSUSE Leap 15.6 kernel-source-vanilla as a component of openSUSE Leap 15.6 kernel-devel-azure as a component of openSUSE Leap 15.6 kernel-source-azure as a component of openSUSE Leap 15.6 kernel-devel-rt as a component of openSUSE Leap 15.6 kernel-source-rt as a component of openSUSE Leap 15.6 In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure liveliness of nested VM-Enter fail tracepoint message Use the __string() machinery provided by the tracing subystem to make a copy of the string literals consumed by the "nested VM-Enter failed" tracepoint. A complete copy is necessary to ensure that the tracepoint can't outlive the data/memory it consumes and deference stale memory. Because the tracepoint itself is defined by kvm, if kvm-intel and/or kvm-amd are built as modules, the memory holding the string literals defined by the vendor modules will be freed when the module is unloaded, whereas the tracepoint and its data in the ring buffer will live until kvm is unloaded (or "indefinitely" if kvm is built-in). This bug has existed since the tracepoint was added, but was recently exposed by a new check in tracing to detect exactly this type of bug. fmt: '%s%s ' current_buffer: ' vmx_dirty_log_t-140127 [003] .... kvm_nested_vmenter_failed: ' WARNING: CPU: 3 PID: 140134 at kernel/trace/trace.c:3759 trace_check_vprintf+0x3be/0x3e0 CPU: 3 PID: 140134 Comm: less Not tainted 5.13.0-rc1-ce2e73ce600a-req #184 Hardware name: ASUS Q87M-E/Q87M-E, BIOS 1102 03/03/2014 RIP: 0010:trace_check_vprintf+0x3be/0x3e0 Code: <0f> 0b 44 8b 4c 24 1c e9 a9 fe ff ff c6 44 02 ff 00 49 8b 97 b0 20 RSP: 0018:ffffa895cc37bcb0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffa895cc37bd08 RCX: 0000000000000027 RDX: 0000000000000027 RSI: 00000000ffffdfff RDI: ffff9766cfad74f8 RBP: ffffffffc0a041d4 R08: ffff9766cfad74f0 R09: ffffa895cc37bad8 R10: 0000000000000001 R11: 0000000000000001 R12: ffffffffc0a041d4 R13: ffffffffc0f4dba8 R14: 0000000000000000 R15: ffff976409f2c000 FS: 00007f92fa200740(0000) GS:ffff9766cfac0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559bd11b0000 CR3: 000000019fbaa002 CR4: 00000000001726e0 Call Trace: trace_event_printf+0x5e/0x80 trace_raw_output_kvm_nested_vmenter_failed+0x3a/0x60 [kvm] print_trace_line+0x1dd/0x4e0 s_show+0x45/0x150 seq_read_iter+0x2d5/0x4c0 seq_read+0x106/0x150 vfs_read+0x98/0x180 ksys_read+0x5f/0xe0 do_syscall_64+0x40/0xb0 entry_SYSCALL_64_after_hwframe+0x44/0xae CVE-2021-47262 SUSE Enterprise Storage 7.1:kernel-default SUSE Enterprise Storage 7.1:kernel-default-devel SUSE Enterprise Storage 7.1:kernel-devel SUSE Enterprise Storage 7.1:kernel-macros SUSE Enterprise Storage 7.1:kernel-source SUSE Enterprise Storage 7.1:reiserfs-kmp-default SUSE Linux Enterprise High Performance Computing 12 SP5:kernel-default SUSE Linux Enterprise High Performance Computing 12 SP5:kernel-source SUSE Linux Enterprise High Performance Computing 12 SP5:kernel-source-azure SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:kernel-default SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:kernel-default-devel SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:kernel-devel SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:kernel-macros SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS:kernel-source SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:kernel-default SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:kernel-default-devel SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:kernel-devel SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:kernel-macros SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:kernel-source SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:reiserfs-kmp-default SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:kernel-default SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:kernel-default-devel SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:kernel-devel SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:kernel-macros SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:kernel-source SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:reiserfs-kmp-default SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:kernel-default SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:kernel-default-devel SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:kernel-devel SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:kernel-macros SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:kernel-source SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:reiserfs-kmp-default SUSE Linux Enterprise Micro 5.0:kernel-default SUSE Linux Enterprise Micro 5.1:kernel-default SUSE Linux Enterprise Micro 5.1:kernel-rt SUSE Linux Enterprise Micro 5.1:kernel-source-rt SUSE Linux Enterprise Micro 5.2:kernel-default SUSE Linux Enterprise Micro 5.2:kernel-rt SUSE Linux Enterprise Micro 5.2:kernel-source-rt SUSE Linux Enterprise Micro 5.3:kernel-default SUSE Linux Enterprise Micro 5.3:kernel-rt SUSE Linux Enterprise Micro 5.3:kernel-source-rt SUSE Linux Enterprise Micro 5.4:kernel-default SUSE Linux Enterprise Micro 5.4:kernel-rt SUSE Linux Enterprise Micro 5.4:kernel-source-rt SUSE Linux Enterprise Micro 5.5:kernel-devel-rt SUSE Linux Enterprise Micro 5.5:kernel-source-rt SUSE Linux Enterprise Module for Basesystem 15 SP5:kernel-default SUSE Linux Enterprise Module for Basesystem 15 SP5:kernel-default-devel SUSE Linux Enterprise Module for Basesystem 15 SP5:kernel-devel SUSE Linux Enterprise Module for Basesystem 15 SP5:kernel-macros SUSE Linux Enterprise Module for Basesystem 15 SP5:kernel-source SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-default SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-default-devel SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-devel SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-macros SUSE Linux Enterprise Module for Basesystem 15 SP6:kernel-source SUSE Linux Enterprise Module for Development Tools 15 SP5:kernel-default SUSE Linux Enterprise Module for Development Tools 15 SP5:kernel-source SUSE Linux Enterprise Module for Development Tools 15 SP6:kernel-default SUSE Linux Enterprise Module for Development Tools 15 SP6:kernel-source SUSE Linux Enterprise Module for Public Cloud 15 SP5:kernel-devel-azure SUSE Linux Enterprise Module for Public Cloud 15 SP5:kernel-source-azure SUSE Linux Enterprise Module for Public Cloud 15 SP6:kernel-devel-azure SUSE Linux Enterprise Module for Public Cloud 15 SP6:kernel-source-azure SUSE Linux Enterprise Real Time 12 SP5:kernel-devel-rt SUSE Linux Enterprise Real Time 12 SP5:kernel-source-rt SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-base SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-default-devel SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:kernel-source SUSE Linux Enterprise Server 11 SP4 LTSS:kernel-default SUSE Linux Enterprise Server 11 SP4 LTSS:kernel-source SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-default SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-default-base SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-default-devel SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-default-man SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-devel SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-macros SUSE Linux Enterprise Server 12 SP4-LTSS:kernel-source SUSE Linux Enterprise Server 12 SP5:kernel-default SUSE Linux Enterprise Server 12 SP5:kernel-default-base SUSE Linux Enterprise Server 12 SP5:kernel-default-devel SUSE Linux Enterprise Server 12 SP5:kernel-default-man SUSE Linux Enterprise Server 12 SP5:kernel-devel SUSE Linux Enterprise Server 12 SP5:kernel-devel-azure SUSE Linux Enterprise Server 12 SP5:kernel-macros SUSE Linux 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9:kernel-default-base SUSE OpenStack Cloud 9:kernel-default-devel SUSE OpenStack Cloud 9:kernel-devel SUSE OpenStack Cloud 9:kernel-macros SUSE OpenStack Cloud 9:kernel-source SUSE OpenStack Cloud Crowbar 9:kernel-default SUSE OpenStack Cloud Crowbar 9:kernel-default-base SUSE OpenStack Cloud Crowbar 9:kernel-default-devel SUSE OpenStack Cloud Crowbar 9:kernel-devel SUSE OpenStack Cloud Crowbar 9:kernel-macros SUSE OpenStack Cloud Crowbar 9:kernel-source SUSE Real Time Module 15 SP5:kernel-devel-rt SUSE Real Time Module 15 SP5:kernel-source-rt SUSE Real Time Module 15 SP6:kernel-devel-rt SUSE Real Time Module 15 SP6:kernel-source-rt openSUSE Leap 15.5:cluster-md-kmp-default openSUSE Leap 15.5:dlm-kmp-default openSUSE Leap 15.5:gfs2-kmp-default openSUSE Leap 15.5:kernel-default openSUSE Leap 15.5:kernel-default-devel openSUSE Leap 15.5:kernel-default-extra openSUSE Leap 15.5:kernel-default-livepatch openSUSE Leap 15.5:kernel-default-livepatch-devel openSUSE Leap 15.5:kernel-default-optional openSUSE Leap 15.5:kernel-default-vdso openSUSE Leap 15.5:kernel-devel openSUSE Leap 15.5:kernel-devel-azure openSUSE Leap 15.5:kernel-devel-rt openSUSE Leap 15.5:kernel-macros openSUSE Leap 15.5:kernel-source openSUSE Leap 15.5:kernel-source-azure openSUSE Leap 15.5:kernel-source-rt openSUSE Leap 15.5:kernel-source-vanilla openSUSE Leap 15.5:kselftests-kmp-default openSUSE Leap 15.5:ocfs2-kmp-default openSUSE Leap 15.5:reiserfs-kmp-default openSUSE Leap 15.6:cluster-md-kmp-default openSUSE Leap 15.6:dlm-kmp-default openSUSE Leap 15.6:gfs2-kmp-default openSUSE Leap 15.6:kernel-default openSUSE Leap 15.6:kernel-default-devel openSUSE Leap 15.6:kernel-default-extra openSUSE Leap 15.6:kernel-default-livepatch openSUSE Leap 15.6:kernel-default-livepatch-devel openSUSE Leap 15.6:kernel-default-optional openSUSE Leap 15.6:kernel-default-vdso openSUSE Leap 15.6:kernel-devel openSUSE Leap 15.6:kernel-devel-azure openSUSE Leap 15.6:kernel-devel-rt openSUSE Leap 15.6:kernel-macros openSUSE Leap 15.6:kernel-source openSUSE Leap 15.6:kernel-source-azure openSUSE Leap 15.6:kernel-source-rt openSUSE Leap 15.6:kernel-source-vanilla openSUSE Leap 15.6:kselftests-kmp-default openSUSE Leap 15.6:ocfs2-kmp-default openSUSE Leap 15.6:reiserfs-kmp-default low 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L