SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:2557-1 Rating: important References: #1200549 #1201394 #1201469 Cross-References: CVE-2022-21123 CVE-2022-21125 CVE-2022-21166 CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-33745 CVSS scores: CVE-2022-21123 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2022-21123 (SUSE): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N CVE-2022-21125 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2022-21125 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-21166 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2022-21166 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2022-23816 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-23825 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-23825 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-29900 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2022-29900 (SUSE): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2022-33745 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Affected Products: SUSE Linux Enterprise Server 12-SP5 SUSE Linux Enterprise Server for SAP Applications 12-SP5 SUSE Linux Enterprise Software Development Kit 12-SP5 ______________________________________________________________________________ An update that fixes 7 vulnerabilities is now available. Description: This update for xen fixes the following issues: - CVE-2022-21123, CVE-2022-21125, CVE-2022-21166: Fixed MMIO stale data vulnerabilities on x86 (XSA-404) (bsc#1200549). - CVE-2022-33745: Fixed insufficient TLB flush for x86 PV guests in shadow mode (XSA-408) (bsc#1201394). - CVE-2022-23816, CVE-2022-23825, CVE-2022-29900: Fixed RETBLEED vulnerability, arbitrary speculative code execution with return instructions (XSA-407) (bsc#1201469). Special Instructions and Notes: Please reboot the system after installing this update. Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Software Development Kit 12-SP5: zypper in -t patch SUSE-SLE-SDK-12-SP5-2022-2557=1 - SUSE Linux Enterprise Server 12-SP5: zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-2557=1 Package List: - SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 x86_64): xen-debugsource-4.12.4_26-3.74.1 xen-devel-4.12.4_26-3.74.1 - SUSE Linux Enterprise Server 12-SP5 (x86_64): xen-4.12.4_26-3.74.1 xen-debugsource-4.12.4_26-3.74.1 xen-doc-html-4.12.4_26-3.74.1 xen-libs-32bit-4.12.4_26-3.74.1 xen-libs-4.12.4_26-3.74.1 xen-libs-debuginfo-32bit-4.12.4_26-3.74.1 xen-libs-debuginfo-4.12.4_26-3.74.1 xen-tools-4.12.4_26-3.74.1 xen-tools-debuginfo-4.12.4_26-3.74.1 xen-tools-domU-4.12.4_26-3.74.1 xen-tools-domU-debuginfo-4.12.4_26-3.74.1 References: https://www.suse.com/security/cve/CVE-2022-21123.html https://www.suse.com/security/cve/CVE-2022-21125.html https://www.suse.com/security/cve/CVE-2022-21166.html https://www.suse.com/security/cve/CVE-2022-23816.html https://www.suse.com/security/cve/CVE-2022-23825.html https://www.suse.com/security/cve/CVE-2022-29900.html https://www.suse.com/security/cve/CVE-2022-33745.html https://bugzilla.suse.com/1200549 https://bugzilla.suse.com/1201394 https://bugzilla.suse.com/1201469