SUSE-SU-2026:4642-1: important: Security update for xen
SLE-SECURITY-UPDATES
null at suse.de
Tue Oct 13 20:32:12 UTC 2026
# Security update for xen
Announcement ID: SUSE-SU-2026:4642-1
Release Date: 2026-10-13T13:09:35Z
Rating: important
References:
* bsc#1283321
* bsc#1283322
* bsc#1283323
* bsc#1283325
Cross-References:
* CVE-2026-102700
* CVE-2026-79609
* CVE-2026-79610
* CVE-2026-79611
CVSS scores:
* CVE-2026-102700 ( SUSE ): 5.7
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-102700 ( SUSE ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-79609 ( SUSE ): 9.3
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
* CVE-2026-79609 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
* CVE-2026-79610 ( SUSE ): 9.3
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
* CVE-2026-79610 ( SUSE ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
* CVE-2026-79611 ( SUSE ): 6.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-79611 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 four vulnerabilities can now be installed.
## Description:
This update for xen fixes the following issues:
* CVE-2026-79609: x86: XPTI may break on huge-memory systems (bsc#1283321).
* CVE-2026-79610: grant-table: double version change race (bsc#1283322).
* CVE-2026-79611: VMX: VMentry failure with branch tracing and blocked states
(bsc#1283323).
* CVE-2026-102700: gnttab: cache-flush handling may cause page reference leak
(bsc#1283325).
## 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:
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-4642
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-4642
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-4642
* openSUSE Leap 15.4
zypper in -t patch SUSE-2026-4642
* SUSE Linux Enterprise Micro for Rancher 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2026-4642
* SUSE Linux Enterprise Micro 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2026-4642
* SUSE Linux Enterprise Micro for Rancher 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2026-4642
* SUSE Linux Enterprise Micro 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2026-4642
* SUSE Linux Enterprise Server 15 SP4 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-4642
## Package List:
* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
* xen-libs-4.16.7_16-150400.4.95.1
* xen-tools-domU-debuginfo-4.16.7_16-150400.4.95.1
* xen-tools-domU-4.16.7_16-150400.4.95.1
* xen-4.16.7_16-150400.4.95.1
* xen-tools-4.16.7_16-150400.4.95.1
* xen-tools-debuginfo-4.16.7_16-150400.4.95.1
* xen-libs-debuginfo-4.16.7_16-150400.4.95.1
* xen-debugsource-4.16.7_16-150400.4.95.1
* xen-devel-4.16.7_16-150400.4.95.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)
* xen-tools-xendomains-wait-disk-4.16.7_16-150400.4.95.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
* xen-libs-4.16.7_16-150400.4.95.1
* xen-tools-domU-debuginfo-4.16.7_16-150400.4.95.1
* xen-tools-domU-4.16.7_16-150400.4.95.1
* xen-4.16.7_16-150400.4.95.1
* xen-tools-4.16.7_16-150400.4.95.1
* xen-tools-debuginfo-4.16.7_16-150400.4.95.1
* xen-libs-debuginfo-4.16.7_16-150400.4.95.1
* xen-debugsource-4.16.7_16-150400.4.95.1
* xen-devel-4.16.7_16-150400.4.95.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)
* xen-tools-xendomains-wait-disk-4.16.7_16-150400.4.95.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
* xen-libs-4.16.7_16-150400.4.95.1
* xen-tools-domU-debuginfo-4.16.7_16-150400.4.95.1
* xen-tools-domU-4.16.7_16-150400.4.95.1
* xen-4.16.7_16-150400.4.95.1
* xen-tools-4.16.7_16-150400.4.95.1
* xen-tools-debuginfo-4.16.7_16-150400.4.95.1
* xen-libs-debuginfo-4.16.7_16-150400.4.95.1
* xen-debugsource-4.16.7_16-150400.4.95.1
* xen-devel-4.16.7_16-150400.4.95.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
* xen-tools-xendomains-wait-disk-4.16.7_16-150400.4.95.1
* openSUSE Leap 15.4 (x86_64)
* xen-4.16.7_16-150400.4.95.1
* xen-tools-4.16.7_16-150400.4.95.1
* xen-libs-32bit-debuginfo-4.16.7_16-150400.4.95.1
* xen-doc-html-4.16.7_16-150400.4.95.1
* xen-tools-debuginfo-4.16.7_16-150400.4.95.1
* xen-libs-32bit-4.16.7_16-150400.4.95.1
* openSUSE Leap 15.4 (i586 x86_64)
* xen-libs-4.16.7_16-150400.4.95.1
* xen-tools-domU-debuginfo-4.16.7_16-150400.4.95.1
* xen-tools-domU-4.16.7_16-150400.4.95.1
* xen-libs-debuginfo-4.16.7_16-150400.4.95.1
* xen-debugsource-4.16.7_16-150400.4.95.1
* xen-devel-4.16.7_16-150400.4.95.1
* openSUSE Leap 15.4 (noarch)
* xen-tools-xendomains-wait-disk-4.16.7_16-150400.4.95.1
* SUSE Linux Enterprise Micro for Rancher 5.3 (x86_64)
* xen-libs-4.16.7_16-150400.4.95.1
* xen-debugsource-4.16.7_16-150400.4.95.1
* xen-libs-debuginfo-4.16.7_16-150400.4.95.1
* SUSE Linux Enterprise Micro 5.3 (x86_64)
* xen-libs-4.16.7_16-150400.4.95.1
* xen-debugsource-4.16.7_16-150400.4.95.1
* xen-libs-debuginfo-4.16.7_16-150400.4.95.1
* SUSE Linux Enterprise Micro for Rancher 5.4 (x86_64)
* xen-libs-4.16.7_16-150400.4.95.1
* xen-debugsource-4.16.7_16-150400.4.95.1
* xen-libs-debuginfo-4.16.7_16-150400.4.95.1
* SUSE Linux Enterprise Micro 5.4 (x86_64)
* xen-libs-4.16.7_16-150400.4.95.1
* xen-debugsource-4.16.7_16-150400.4.95.1
* xen-libs-debuginfo-4.16.7_16-150400.4.95.1
* SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
* xen-libs-4.16.7_16-150400.4.95.1
* xen-tools-domU-debuginfo-4.16.7_16-150400.4.95.1
* xen-tools-domU-4.16.7_16-150400.4.95.1
* xen-4.16.7_16-150400.4.95.1
* xen-tools-4.16.7_16-150400.4.95.1
* xen-tools-debuginfo-4.16.7_16-150400.4.95.1
* xen-libs-debuginfo-4.16.7_16-150400.4.95.1
* xen-debugsource-4.16.7_16-150400.4.95.1
* xen-devel-4.16.7_16-150400.4.95.1
* SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)
* xen-tools-xendomains-wait-disk-4.16.7_16-150400.4.95.1
## References:
* https://www.suse.com/security/cve/CVE-2026-102700.html
* https://www.suse.com/security/cve/CVE-2026-79609.html
* https://www.suse.com/security/cve/CVE-2026-79610.html
* https://www.suse.com/security/cve/CVE-2026-79611.html
* https://bugzilla.suse.com/show_bug.cgi?id=1283321
* https://bugzilla.suse.com/show_bug.cgi?id=1283322
* https://bugzilla.suse.com/show_bug.cgi?id=1283323
* https://bugzilla.suse.com/show_bug.cgi?id=1283325
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