{"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-2023-46841: Fixed shadow stack vs exceptions from emulation stubs (XSA-451) (bsc#1219885).\n","title":"Description of the patch"},{"category":"details","text":"SUSE-2024-934,SUSE-SLE-Micro-5.3-2024-934,SUSE-SLE-Micro-5.4-2024-934,openSUSE-Leap-Micro-5.3-2024-934,openSUSE-Leap-Micro-5.4-2024-934","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/suse-su-2024_0934-1.json"},{"category":"self","summary":"URL for SUSE-SU-2024:0934-1","url":"https://www.suse.com/support/update/announcement/2024/suse-su-20240934-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2024:0934-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2024-March/018203.html"},{"category":"self","summary":"SUSE Bug 1219885","url":"https://bugzilla.suse.com/1219885"},{"category":"self","summary":"SUSE CVE CVE-2023-46841 page","url":"https://www.suse.com/security/cve/CVE-2023-46841/"}],"title":"Security update for xen","tracking":{"current_release_date":"2024-03-19T12:03:39Z","generator":{"date":"2024-03-19T12:03:39Z","engine":{"name":"cve-database.git:bin/generate-csaf.pl","version":"1"}},"id":"SUSE-SU-2024:0934-1","initial_release_date":"2024-03-19T12:03:39Z","revision_history":[{"date":"2024-03-19T12:03:39Z","number":"1","summary":"Current version"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_version","name":"xen-4.16.5_14-150400.4.49.1.aarch64","product":{"name":"xen-4.16.5_14-150400.4.49.1.aarch64","product_id":"xen-4.16.5_14-150400.4.49.1.aarch64"}},{"category":"product_version","name":"xen-devel-4.16.5_14-150400.4.49.1.aarch64","product":{"name":"xen-devel-4.16.5_14-150400.4.49.1.aarch64","product_id":"xen-devel-4.16.5_14-150400.4.49.1.aarch64"}},{"category":"product_version","name":"xen-doc-html-4.16.5_14-150400.4.49.1.aarch64","product":{"name":"xen-doc-html-4.16.5_14-150400.4.49.1.aarch64","product_id":"xen-doc-html-4.16.5_14-150400.4.49.1.aarch64"}},{"category":"product_version","name":"xen-libs-4.16.5_14-150400.4.49.1.aarch64","product":{"name":"xen-libs-4.16.5_14-150400.4.49.1.aarch64","product_id":"xen-libs-4.16.5_14-150400.4.49.1.aarch64"}},{"category":"product_version","name":"xen-tools-4.16.5_14-150400.4.49.1.aarch64","product":{"name":"xen-tools-4.16.5_14-150400.4.49.1.aarch64","product_id":"xen-tools-4.16.5_14-150400.4.49.1.aarch64"}},{"category":"product_version","name":"xen-tools-domU-4.16.5_14-150400.4.49.1.aarch64","product":{"name":"xen-tools-domU-4.16.5_14-150400.4.49.1.aarch64","product_id":"xen-tools-domU-4.16.5_14-150400.4.49.1.aarch64"}}],"category":"architecture","name":"aarch64"},{"branches":[{"category":"product_version","name":"xen-libs-64bit-4.16.5_14-150400.4.49.1.aarch64_ilp32","product":{"name":"xen-libs-64bit-4.16.5_14-150400.4.49.1.aarch64_ilp32","product_id":"xen-libs-64bit-4.16.5_14-150400.4.49.1.aarch64_ilp32"}}],"category":"architecture","name":"aarch64_ilp32"},{"branches":[{"category":"product_version","name":"xen-devel-4.16.5_14-150400.4.49.1.i586","product":{"name":"xen-devel-4.16.5_14-150400.4.49.1.i586","product_id":"xen-devel-4.16.5_14-150400.4.49.1.i586"}},{"category":"product_version","name":"xen-libs-4.16.5_14-150400.4.49.1.i586","product":{"name":"xen-libs-4.16.5_14-150400.4.49.1.i586","product_id":"xen-libs-4.16.5_14-150400.4.49.1.i586"}},{"category":"product_version","name":"xen-tools-domU-4.16.5_14-150400.4.49.1.i586","product":{"name":"xen-tools-domU-4.16.5_14-150400.4.49.1.i586","product_id":"xen-tools-domU-4.16.5_14-150400.4.49.1.i586"}}],"category":"architecture","name":"i586"},{"branches":[{"category":"product_version","name":"xen-tools-xendomains-wait-disk-4.16.5_14-150400.4.49.1.noarch","product":{"name":"xen-tools-xendomains-wait-disk-4.16.5_14-150400.4.49.1.noarch","product_id":"xen-tools-xendomains-wait-disk-4.16.5_14-150400.4.49.1.noarch"}}],"category":"architecture","name":"noarch"},{"branches":[{"category":"product_version","name":"xen-4.16.5_14-150400.4.49.1.x86_64","product":{"name":"xen-4.16.5_14-150400.4.49.1.x86_64","product_id":"xen-4.16.5_14-150400.4.49.1.x86_64"}},{"category":"product_version","name":"xen-devel-4.16.5_14-150400.4.49.1.x86_64","product":{"name":"xen-devel-4.16.5_14-150400.4.49.1.x86_64","product_id":"xen-devel-4.16.5_14-150400.4.49.1.x86_64"}},{"category":"product_version","name":"xen-doc-html-4.16.5_14-150400.4.49.1.x86_64","product":{"name":"xen-doc-html-4.16.5_14-150400.4.49.1.x86_64","product_id":"xen-doc-html-4.16.5_14-150400.4.49.1.x86_64"}},{"category":"product_version","name":"xen-libs-4.16.5_14-150400.4.49.1.x86_64","product":{"name":"xen-libs-4.16.5_14-150400.4.49.1.x86_64","product_id":"xen-libs-4.16.5_14-150400.4.49.1.x86_64"}},{"category":"product_version","name":"xen-libs-32bit-4.16.5_14-150400.4.49.1.x86_64","product":{"name":"xen-libs-32bit-4.16.5_14-150400.4.49.1.x86_64","product_id":"xen-libs-32bit-4.16.5_14-150400.4.49.1.x86_64"}},{"category":"product_version","name":"xen-tools-4.16.5_14-150400.4.49.1.x86_64","product":{"name":"xen-tools-4.16.5_14-150400.4.49.1.x86_64","product_id":"xen-tools-4.16.5_14-150400.4.49.1.x86_64"}},{"category":"product_version","name":"xen-tools-domU-4.16.5_14-150400.4.49.1.x86_64","product":{"name":"xen-tools-domU-4.16.5_14-150400.4.49.1.x86_64","product_id":"xen-tools-domU-4.16.5_14-150400.4.49.1.x86_64"}}],"category":"architecture","name":"x86_64"},{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Micro 5.3","product":{"name":"SUSE Linux Enterprise Micro 5.3","product_id":"SUSE Linux Enterprise Micro 5.3","product_identification_helper":{"cpe":"cpe:/o:suse:sle-micro:5.3"}}},{"category":"product_name","name":"SUSE Linux Enterprise Micro 5.4","product":{"name":"SUSE Linux Enterprise Micro 5.4","product_id":"SUSE Linux Enterprise Micro 5.4","product_identification_helper":{"cpe":"cpe:/o:suse:sle-micro:5.4"}}},{"category":"product_name","name":"openSUSE Leap Micro 5.3","product":{"name":"openSUSE Leap Micro 5.3","product_id":"openSUSE Leap Micro 5.3","product_identification_helper":{"cpe":"cpe:/o:opensuse:leap-micro:5.3"}}},{"category":"product_name","name":"openSUSE Leap Micro 5.4","product":{"name":"openSUSE Leap Micro 5.4","product_id":"openSUSE Leap Micro 5.4","product_identification_helper":{"cpe":"cpe:/o:opensuse:leap-micro:5.4"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"xen-libs-4.16.5_14-150400.4.49.1.x86_64 as component of SUSE Linux Enterprise Micro 5.3","product_id":"SUSE Linux Enterprise Micro 5.3:xen-libs-4.16.5_14-150400.4.49.1.x86_64"},"product_reference":"xen-libs-4.16.5_14-150400.4.49.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Micro 5.3"},{"category":"default_component_of","full_product_name":{"name":"xen-libs-4.16.5_14-150400.4.49.1.x86_64 as component of SUSE Linux Enterprise Micro 5.4","product_id":"SUSE Linux Enterprise Micro 5.4:xen-libs-4.16.5_14-150400.4.49.1.x86_64"},"product_reference":"xen-libs-4.16.5_14-150400.4.49.1.x86_64","relates_to_product_reference":"SUSE Linux Enterprise Micro 5.4"},{"category":"default_component_of","full_product_name":{"name":"xen-libs-4.16.5_14-150400.4.49.1.x86_64 as component of openSUSE Leap Micro 5.3","product_id":"openSUSE Leap Micro 5.3:xen-libs-4.16.5_14-150400.4.49.1.x86_64"},"product_reference":"xen-libs-4.16.5_14-150400.4.49.1.x86_64","relates_to_product_reference":"openSUSE Leap Micro 5.3"},{"category":"default_component_of","full_product_name":{"name":"xen-libs-4.16.5_14-150400.4.49.1.x86_64 as component of openSUSE Leap Micro 5.4","product_id":"openSUSE Leap Micro 5.4:xen-libs-4.16.5_14-150400.4.49.1.x86_64"},"product_reference":"xen-libs-4.16.5_14-150400.4.49.1.x86_64","relates_to_product_reference":"openSUSE Leap Micro 5.4"}]},"vulnerabilities":[{"cve":"CVE-2023-46841","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-46841"}],"notes":[{"category":"general","text":"Recent x86 CPUs offer functionality named Control-flow Enforcement\nTechnology (CET).  A sub-feature of this are Shadow Stacks (CET-SS).\nCET-SS is a hardware feature designed to protect against Return Oriented\nProgramming attacks. When enabled, traditional stacks holding both data\nand return addresses are accompanied by so called \"shadow stacks\",\nholding little more than return addresses.  Shadow stacks aren't\nwritable by normal instructions, and upon function returns their\ncontents are used to check for possible manipulation of a return address\ncoming from the traditional stack.\n\nIn particular certain memory accesses need intercepting by Xen.  In\nvarious cases the necessary emulation involves kind of replaying of\nthe instruction.  Such replaying typically involves filling and then\ninvoking of a stub.  Such a replayed instruction may raise an\nexceptions, which is expected and dealt with accordingly.\n\nUnfortunately the interaction of both of the above wasn't right:\nRecovery involves removal of a call frame from the (traditional) stack.\nThe counterpart of this operation for the shadow stack was missing.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Micro 5.3:xen-libs-4.16.5_14-150400.4.49.1.x86_64","SUSE Linux Enterprise Micro 5.4:xen-libs-4.16.5_14-150400.4.49.1.x86_64","openSUSE Leap Micro 5.3:xen-libs-4.16.5_14-150400.4.49.1.x86_64","openSUSE Leap Micro 5.4:xen-libs-4.16.5_14-150400.4.49.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2023-46841","url":"https://www.suse.com/security/cve/CVE-2023-46841"},{"category":"external","summary":"SUSE Bug 1219885 for CVE-2023-46841","url":"https://bugzilla.suse.com/1219885"}],"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":["SUSE Linux Enterprise Micro 5.3:xen-libs-4.16.5_14-150400.4.49.1.x86_64","SUSE Linux Enterprise Micro 5.4:xen-libs-4.16.5_14-150400.4.49.1.x86_64","openSUSE Leap Micro 5.3:xen-libs-4.16.5_14-150400.4.49.1.x86_64","openSUSE Leap Micro 5.4:xen-libs-4.16.5_14-150400.4.49.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Micro 5.3:xen-libs-4.16.5_14-150400.4.49.1.x86_64","SUSE Linux Enterprise Micro 5.4:xen-libs-4.16.5_14-150400.4.49.1.x86_64","openSUSE Leap Micro 5.3:xen-libs-4.16.5_14-150400.4.49.1.x86_64","openSUSE Leap Micro 5.4:xen-libs-4.16.5_14-150400.4.49.1.x86_64"]}],"threats":[{"category":"impact","date":"2024-03-19T12:03:39Z","details":"moderate"}],"title":"CVE-2023-46841"}]}