SUSE alert SUSE-SU-2026:3462-1 (xen)
| From: | OPENSUSE-SECURITY-UPDATES <null@suse.de> | |
| To: | security-announce@lists.opensuse.org | |
| Subject: | SUSE-SU-2026:3462-1: important: Security update for xen | |
| Date: | Mon, 03 Aug 2026 20:34:13 -0000 | |
| Message-ID: | <178578925360.99.16395492240940964999@343aec21e6f1> | |
| Archive-link: | Article |
# Security update for xen Announcement ID: SUSE-SU-2026:3462-1 Release Date: 2026-08-03T12:17:20Z Rating: important References: * bsc#1271528 * bsc#1271530 * bsc#1271531 * bsc#1271532 * bsc#1271533 * bsc#1271534 * bsc#1271535 * bsc#1271536 * bsc#1271537 * bsc#1271538 * bsc#1271539 * bsc#1271947 Cross-References: * CVE-2026-42493 * CVE-2026-42494 * CVE-2026-42495 * CVE-2026-62423 * CVE-2026-62424 * CVE-2026-62425 * CVE-2026-62426 * CVE-2026-62427 * CVE-2026-62428 * CVE-2026-62429 * CVE-2026-62430 * CVE-2026-62431 * CVE-2026-62432 * CVE-2026-62433 * CVE-2026-62434 CVSS scores: * CVE-2026-42493 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H * CVE-2026-42493 ( SUSE ): 5.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H * CVE-2026-42493 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2026-42494 ( SUSE ): 8.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H * CVE-2026-42494 ( SUSE ): 8.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H * CVE-2026-42494 ( NVD ): 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H * CVE-2026-42495 ( SUSE ): 8.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H * CVE-2026-42495 ( SUSE ): 8.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H * CVE-2026-42495 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H * CVE-2026-62423 ( SUSE ): 8.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H * CVE-2026-62423 ( SUSE ): 8.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H * CVE-2026-62423 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H * CVE-2026-62424 ( SUSE ): 8.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H * CVE-2026-62424 ( SUSE ): 8.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H * CVE-2026-62424 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H * CVE-2026-62425 ( SUSE ): 8.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H * CVE-2026-62425 ( SUSE ): 8.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H * CVE-2026-62425 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H * CVE-2026-62426 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H * CVE-2026-62426 ( SUSE ): 5.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H * CVE-2026-62426 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-62427 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H * CVE-2026-62427 ( SUSE ): 5.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H * CVE-2026-62427 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-62428 ( SUSE ): 8.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H * CVE-2026-62428 ( SUSE ): 8.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H * CVE-2026-62428 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H * CVE-2026-62429 ( SUSE ): 7.1 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H * CVE-2026-62429 ( SUSE ): 7.3 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H * CVE-2026-62429 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N * CVE-2026-62430 ( SUSE ): 2.1 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N * CVE-2026-62430 ( SUSE ): 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N * CVE-2026-62430 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N * CVE-2026-62431 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H * CVE-2026-62431 ( SUSE ): 5.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H * CVE-2026-62431 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2026-62432 ( SUSE ): 8.4 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H * CVE-2026-62432 ( SUSE ): 8.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H * CVE-2026-62432 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L * CVE-2026-62433 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N * CVE-2026-62433 ( SUSE ): 5.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N * CVE-2026-62433 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L * CVE-2026-62434 ( SUSE ): 7.1 CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H * CVE-2026-62434 ( SUSE ): 7.3 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H * CVE-2026-62434 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro for Rancher 5.3 * SUSE Linux Enterprise Micro for Rancher 5.4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4 An update that solves 15 vulnerabilities can now be installed. ## Description: This update for xen fixes the following issues * CVE-2026-42493: x86 shadow paging is deprecated (bsc#1271528). * CVE-2026-42494,CVE-2026-42495,CVE-2026-62423,CVE-2026-62424,CVE-2026-62425: buffer overruns in libfsimage iso9660 handling (bsc#1271530). * CVE-2026-62426,CVE-2026-62427: sysctl and platform-op locks open to abuse (bsc#1271531). * CVE-2026-62428: grant-table: type confusion in grant-copy (bsc#1271532). * CVE-2026-62429: vNUMA domain cleanup may race other operations (bsc#1271534). * CVE-2026-62430: x86: out-of-bounds read in vRTC emulation (bsc#1271535). * CVE-2026-62431: Viridian STIMER division by zero (bsc#1271536). * CVE-2026-62432: evtchn: race between FIFO expand and reset (bsc#1271537). * CVE-2026-62433: correct buffer checks for DM_OP hypercalls (bsc#1271538). * CVE-2026-62434: PoD: don't try to reclaim special pages (bsc#1271539). * Pygrub is only supported in de-privileged mode (XSA-508) (bsc#1271947). ## Special Instructions and Notes: * Please reboot the system after installing this update. ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.4 zypper in -t patch SUSE-2026-3462=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-3462=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-3462=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-3462=1 * SUSE Linux Enterprise Server 15 SP4 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-3462=1 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-3462=1 * SUSE Linux Enterprise Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-3462=1 * SUSE Linux Enterprise Micro 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-3462=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-3462=1 ## Package List: * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64) * xen-libs-debuginfo-4.16.7_12-150400.4.89.3 * xen-libs-4.16.7_12-150400.4.89.3 * xen-tools-debuginfo-4.16.7_12-150400.4.89.3 * xen-4.16.7_12-150400.4.89.3 * xen-debugsource-4.16.7_12-150400.4.89.3 * xen-devel-4.16.7_12-150400.4.89.3 * xen-tools-4.16.7_12-150400.4.89.3 * xen-tools-domU-debuginfo-4.16.7_12-150400.4.89.3 * xen-tools-domU-4.16.7_12-150400.4.89.3 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch) * xen-tools-xendomains-wait-disk-4.16.7_12-150400.4.89.3 * SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64) * xen-libs-debuginfo-4.16.7_12-150400.4.89.3 * xen-libs-4.16.7_12-150400.4.89.3 * xen-tools-debuginfo-4.16.7_12-150400.4.89.3 * xen-4.16.7_12-150400.4.89.3 * xen-debugsource-4.16.7_12-150400.4.89.3 * xen-devel-4.16.7_12-150400.4.89.3 * xen-tools-4.16.7_12-150400.4.89.3 * xen-tools-domU-debuginfo-4.16.7_12-150400.4.89.3 * xen-tools-domU-4.16.7_12-150400.4.89.3 * SUSE Linux Enterprise Server 15 SP4 LTSS (noarch) * xen-tools-xendomains-wait-disk-4.16.7_12-150400.4.89.3 * SUSE Linux Enterprise Micro for Rancher 5.3 (x86_64) * xen-libs-4.16.7_12-150400.4.89.3 * xen-debugsource-4.16.7_12-150400.4.89.3 * xen-libs-debuginfo-4.16.7_12-150400.4.89.3 * SUSE Linux Enterprise Micro 5.3 (x86_64) * xen-libs-4.16.7_12-150400.4.89.3 * xen-debugsource-4.16.7_12-150400.4.89.3 * xen-libs-debuginfo-4.16.7_12-150400.4.89.3 * openSUSE Leap 15.4 (i586 x86_64) * xen-libs-debuginfo-4.16.7_12-150400.4.89.3 * xen-libs-4.16.7_12-150400.4.89.3 * xen-debugsource-4.16.7_12-150400.4.89.3 * xen-tools-domU-4.16.7_12-150400.4.89.3 * xen-tools-domU-debuginfo-4.16.7_12-150400.4.89.3 * xen-devel-4.16.7_12-150400.4.89.3 * openSUSE Leap 15.4 (x86_64) * xen-tools-debuginfo-4.16.7_12-150400.4.89.3 * xen-libs-32bit-debuginfo-4.16.7_12-150400.4.89.3 * xen-doc-html-4.16.7_12-150400.4.89.3 * xen-4.16.7_12-150400.4.89.3 * xen-libs-32bit-4.16.7_12-150400.4.89.3 * xen-tools-4.16.7_12-150400.4.89.3 * openSUSE Leap 15.4 (noarch) * xen-tools-xendomains-wait-disk-4.16.7_12-150400.4.89.3 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64) * xen-libs-debuginfo-4.16.7_12-150400.4.89.3 * xen-tools-debuginfo-4.16.7_12-150400.4.89.3 * xen-libs-4.16.7_12-150400.4.89.3 * xen-4.16.7_12-150400.4.89.3 * xen-debugsource-4.16.7_12-150400.4.89.3 * xen-devel-4.16.7_12-150400.4.89.3 * xen-tools-4.16.7_12-150400.4.89.3 * xen-tools-domU-debuginfo-4.16.7_12-150400.4.89.3 * xen-tools-domU-4.16.7_12-150400.4.89.3 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch) * xen-tools-xendomains-wait-disk-4.16.7_12-150400.4.89.3 * SUSE Linux Enterprise Micro for Rancher 5.4 (x86_64) * xen-libs-4.16.7_12-150400.4.89.3 * xen-debugsource-4.16.7_12-150400.4.89.3 * xen-libs-debuginfo-4.16.7_12-150400.4.89.3 * SUSE Linux Enterprise Micro 5.4 (x86_64) * xen-libs-4.16.7_12-150400.4.89.3 * xen-debugsource-4.16.7_12-150400.4.89.3 * xen-libs-debuginfo-4.16.7_12-150400.4.89.3 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64) * xen-libs-debuginfo-4.16.7_12-150400.4.89.3 * xen-libs-4.16.7_12-150400.4.89.3 * xen-tools-debuginfo-4.16.7_12-150400.4.89.3 * xen-4.16.7_12-150400.4.89.3 * xen-debugsource-4.16.7_12-150400.4.89.3 * xen-devel-4.16.7_12-150400.4.89.3 * xen-tools-domU-4.16.7_12-150400.4.89.3 * xen-tools-domU-debuginfo-4.16.7_12-150400.4.89.3 * xen-tools-4.16.7_12-150400.4.89.3 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch) * xen-tools-xendomains-wait-disk-4.16.7_12-150400.4.89.3 ## References: * https://www.suse.com/security/cve/CVE-2026-42493.html * https://www.suse.com/security/cve/CVE-2026-42494.html * https://www.suse.com/security/cve/CVE-2026-42495.html * https://www.suse.com/security/cve/CVE-2026-62423.html * https://www.suse.com/security/cve/CVE-2026-62424.html * https://www.suse.com/security/cve/CVE-2026-62425.html * https://www.suse.com/security/cve/CVE-2026-62426.html * https://www.suse.com/security/cve/CVE-2026-62427.html * https://www.suse.com/security/cve/CVE-2026-62428.html * https://www.suse.com/security/cve/CVE-2026-62429.html * https://www.suse.com/security/cve/CVE-2026-62430.html * https://www.suse.com/security/cve/CVE-2026-62431.html * https://www.suse.com/security/cve/CVE-2026-62432.html * https://www.suse.com/security/cve/CVE-2026-62433.html * https://www.suse.com/security/cve/CVE-2026-62434.html * https://bugzilla.suse.com/show_bug.cgi?id=1271528 * https://bugzilla.suse.com/show_bug.cgi?id=1271530 * https://bugzilla.suse.com/show_bug.cgi?id=1271531 * https://bugzilla.suse.com/show_bug.cgi?id=1271532 * https://bugzilla.suse.com/show_bug.cgi?id=1271533 * https://bugzilla.suse.com/show_bug.cgi?id=1271534 * https://bugzilla.suse.com/show_bug.cgi?id=1271535 * https://bugzilla.suse.com/show_bug.cgi?id=1271536 * https://bugzilla.suse.com/show_bug.cgi?id=1271537 * https://bugzilla.suse.com/show_bug.cgi?id=1271538 * https://bugzilla.suse.com/show_bug.cgi?id=1271539 * https://bugzilla.suse.com/show_bug.cgi?id=1271947
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