{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for xen","title":"Title of the patch"},{"category":"description","text":"This update for xen fixes the following issues:\n\n- CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling (XSA-384) (bsc#1189632).\n\n- Upstream bug fixes (bsc#1027519)\n","title":"Description of the patch"},{"category":"details","text":"openSUSE-SLE-15.3-2021-3140","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2021_3140-1.json"},{"category":"self","summary":"URL for openSUSE-SU-2021:3140-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/W4HJ2XF2SFYPRBAICENTSEBE5KO7OY2G/"},{"category":"self","summary":"E-Mail link for openSUSE-SU-2021:3140-1","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/W4HJ2XF2SFYPRBAICENTSEBE5KO7OY2G/"},{"category":"self","summary":"SUSE Bug 1027519","url":"https://bugzilla.suse.com/1027519"},{"category":"self","summary":"SUSE Bug 1189632","url":"https://bugzilla.suse.com/1189632"},{"category":"self","summary":"SUSE CVE CVE-2021-28701 page","url":"https://www.suse.com/security/cve/CVE-2021-28701/"}],"title":"Security update for xen","tracking":{"current_release_date":"2021-09-18T12:37:21Z","generator":{"date":"2021-09-18T12:37:21Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"openSUSE-SU-2021:3140-1","initial_release_date":"2021-09-18T12:37:21Z","revision_history":[{"date":"2021-09-18T12:37:21Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"xen-4.14.2_06-3.12.1.aarch64","product":{"name":"xen-4.14.2_06-3.12.1.aarch64","product_id":"xen-4.14.2_06-3.12.1.aarch64"}},{"category":"product_version","name":"xen-devel-4.14.2_06-3.12.1.aarch64","product":{"name":"xen-devel-4.14.2_06-3.12.1.aarch64","product_id":"xen-devel-4.14.2_06-3.12.1.aarch64"}},{"category":"product_version","name":"xen-doc-html-4.14.2_06-3.12.1.aarch64","product":{"name":"xen-doc-html-4.14.2_06-3.12.1.aarch64","product_id":"xen-doc-html-4.14.2_06-3.12.1.aarch64"}},{"category":"product_version","name":"xen-libs-4.14.2_06-3.12.1.aarch64","product":{"name":"xen-libs-4.14.2_06-3.12.1.aarch64","product_id":"xen-libs-4.14.2_06-3.12.1.aarch64"}},{"category":"product_version","name":"xen-tools-4.14.2_06-3.12.1.aarch64","product":{"name":"xen-tools-4.14.2_06-3.12.1.aarch64","product_id":"xen-tools-4.14.2_06-3.12.1.aarch64"}},{"category":"product_version","name":"xen-tools-domU-4.14.2_06-3.12.1.aarch64","product":{"name":"xen-tools-domU-4.14.2_06-3.12.1.aarch64","product_id":"xen-tools-domU-4.14.2_06-3.12.1.aarch64"}}],"category":"architecture","name":"aarch64"},{"branches":[{"category":"product_version","name":"xen-tools-xendomains-wait-disk-4.14.2_06-3.12.1.noarch","product":{"name":"xen-tools-xendomains-wait-disk-4.14.2_06-3.12.1.noarch","product_id":"xen-tools-xendomains-wait-disk-4.14.2_06-3.12.1.noarch"}}],"category":"architecture","name":"noarch"},{"branches":[{"category":"product_version","name":"xen-4.14.2_06-3.12.1.x86_64","product":{"name":"xen-4.14.2_06-3.12.1.x86_64","product_id":"xen-4.14.2_06-3.12.1.x86_64"}},{"category":"product_version","name":"xen-devel-4.14.2_06-3.12.1.x86_64","product":{"name":"xen-devel-4.14.2_06-3.12.1.x86_64","product_id":"xen-devel-4.14.2_06-3.12.1.x86_64"}},{"category":"product_version","name":"xen-doc-html-4.14.2_06-3.12.1.x86_64","product":{"name":"xen-doc-html-4.14.2_06-3.12.1.x86_64","product_id":"xen-doc-html-4.14.2_06-3.12.1.x86_64"}},{"category":"product_version","name":"xen-libs-4.14.2_06-3.12.1.x86_64","product":{"name":"xen-libs-4.14.2_06-3.12.1.x86_64","product_id":"xen-libs-4.14.2_06-3.12.1.x86_64"}},{"category":"product_version","name":"xen-libs-32bit-4.14.2_06-3.12.1.x86_64","product":{"name":"xen-libs-32bit-4.14.2_06-3.12.1.x86_64","product_id":"xen-libs-32bit-4.14.2_06-3.12.1.x86_64"}},{"category":"product_version","name":"xen-tools-4.14.2_06-3.12.1.x86_64","product":{"name":"xen-tools-4.14.2_06-3.12.1.x86_64","product_id":"xen-tools-4.14.2_06-3.12.1.x86_64"}},{"category":"product_version","name":"xen-tools-domU-4.14.2_06-3.12.1.x86_64","product":{"name":"xen-tools-domU-4.14.2_06-3.12.1.x86_64","product_id":"xen-tools-domU-4.14.2_06-3.12.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"openSUSE Leap 15.3","product":{"name":"openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3","product_identification_helper":{"cpe":"cpe:/o:opensuse:leap:15.3"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"xen-4.14.2_06-3.12.1.aarch64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-4.14.2_06-3.12.1.aarch64"},"product_reference":"xen-4.14.2_06-3.12.1.aarch64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-4.14.2_06-3.12.1.x86_64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-4.14.2_06-3.12.1.x86_64"},"product_reference":"xen-4.14.2_06-3.12.1.x86_64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-devel-4.14.2_06-3.12.1.aarch64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-devel-4.14.2_06-3.12.1.aarch64"},"product_reference":"xen-devel-4.14.2_06-3.12.1.aarch64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-devel-4.14.2_06-3.12.1.x86_64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-devel-4.14.2_06-3.12.1.x86_64"},"product_reference":"xen-devel-4.14.2_06-3.12.1.x86_64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-doc-html-4.14.2_06-3.12.1.aarch64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-doc-html-4.14.2_06-3.12.1.aarch64"},"product_reference":"xen-doc-html-4.14.2_06-3.12.1.aarch64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-doc-html-4.14.2_06-3.12.1.x86_64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-doc-html-4.14.2_06-3.12.1.x86_64"},"product_reference":"xen-doc-html-4.14.2_06-3.12.1.x86_64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-libs-4.14.2_06-3.12.1.aarch64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-libs-4.14.2_06-3.12.1.aarch64"},"product_reference":"xen-libs-4.14.2_06-3.12.1.aarch64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-libs-4.14.2_06-3.12.1.x86_64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-libs-4.14.2_06-3.12.1.x86_64"},"product_reference":"xen-libs-4.14.2_06-3.12.1.x86_64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-libs-32bit-4.14.2_06-3.12.1.x86_64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-libs-32bit-4.14.2_06-3.12.1.x86_64"},"product_reference":"xen-libs-32bit-4.14.2_06-3.12.1.x86_64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-tools-4.14.2_06-3.12.1.aarch64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-tools-4.14.2_06-3.12.1.aarch64"},"product_reference":"xen-tools-4.14.2_06-3.12.1.aarch64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-tools-4.14.2_06-3.12.1.x86_64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-tools-4.14.2_06-3.12.1.x86_64"},"product_reference":"xen-tools-4.14.2_06-3.12.1.x86_64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-tools-domU-4.14.2_06-3.12.1.aarch64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-tools-domU-4.14.2_06-3.12.1.aarch64"},"product_reference":"xen-tools-domU-4.14.2_06-3.12.1.aarch64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-tools-domU-4.14.2_06-3.12.1.x86_64 as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-tools-domU-4.14.2_06-3.12.1.x86_64"},"product_reference":"xen-tools-domU-4.14.2_06-3.12.1.x86_64","relates_to_product_reference":"openSUSE Leap 15.3"},{"category":"default_component_of","full_product_name":{"name":"xen-tools-xendomains-wait-disk-4.14.2_06-3.12.1.noarch as component of openSUSE Leap 15.3","product_id":"openSUSE Leap 15.3:xen-tools-xendomains-wait-disk-4.14.2_06-3.12.1.noarch"},"product_reference":"xen-tools-xendomains-wait-disk-4.14.2_06-3.12.1.noarch","relates_to_product_reference":"openSUSE Leap 15.3"}]},"vulnerabilities":[{"cve":"CVE-2021-28701","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2021-28701"}],"notes":[{"category":"general","text":"Another race in XENMAPSPACE_grant_table handling Guests are permitted access to certain Xen-owned pages of memory. The majority of such pages remain allocated / associated with a guest for its entire lifetime. Grant table v2 status pages, however, are de-allocated when a guest switches (back) from v2 to v1. Freeing such pages requires that the hypervisor enforce that no parallel request can result in the addition of a mapping of such a page to a guest. That enforcement was missing, allowing guests to retain access to pages that were freed and perhaps re-used for other purposes. Unfortunately, when XSA-379 was being prepared, this similar issue was not noticed.","title":"CVE description"}],"product_status":{"recommended":["openSUSE Leap 15.3:xen-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-devel-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-devel-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-doc-html-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-doc-html-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-libs-32bit-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-libs-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-libs-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-tools-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-tools-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-tools-domU-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-tools-domU-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-tools-xendomains-wait-disk-4.14.2_06-3.12.1.noarch"]},"references":[{"category":"external","summary":"CVE-2021-28701","url":"https://www.suse.com/security/cve/CVE-2021-28701"},{"category":"external","summary":"SUSE Bug 1189632 for CVE-2021-28701","url":"https://bugzilla.suse.com/1189632"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["openSUSE Leap 15.3:xen-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-devel-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-devel-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-doc-html-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-doc-html-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-libs-32bit-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-libs-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-libs-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-tools-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-tools-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-tools-domU-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-tools-domU-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-tools-xendomains-wait-disk-4.14.2_06-3.12.1.noarch"]}],"scores":[{"cvss_v3":{"baseScore":7.4,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"products":["openSUSE Leap 15.3:xen-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-devel-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-devel-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-doc-html-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-doc-html-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-libs-32bit-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-libs-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-libs-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-tools-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-tools-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-tools-domU-4.14.2_06-3.12.1.aarch64","openSUSE Leap 15.3:xen-tools-domU-4.14.2_06-3.12.1.x86_64","openSUSE Leap 15.3:xen-tools-xendomains-wait-disk-4.14.2_06-3.12.1.noarch"]}],"threats":[{"category":"impact","date":"2021-09-18T12:37:21Z","details":"important"}],"title":"CVE-2021-28701"}]}