SUSE-SU-2026:5085-1: Security update for the Linux Kernel (Live Patch 21 for SUSE Linux Enterprise 15 SP7)
This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.81 fixes various security issues:
The following security issues were fixed:
- CVE-2026-74469: sctp: prevent peer transport count overflow (bsc#1280693). - CVE-2026-89544: SUNRPC: fix gssxdecoptionarray error path bugs (bsc#1280760). - CVE-2026-89551: SUNRPC: xdrbuftrim: clamp buf->len to avoid underflow (bsc#1280728). - CVE-2026-89674: nfsd: fix XDR length calculation in nfsd4ffencodelayoutget (bsc#1280285). - CVE-2026-98432: ipv4: free inetopt and ireqopt after an RCU grace period (bsc#1285686).
Other sources
This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.81 fixes various security issues: The following security issues were fixed: CVE-2026-74469: sctp: prevent peer transport count overflow (bsc#1280693). CVE-2026-89544: SUNRPC: fix gssxdecoptionarray error path bugs (bsc#1280760). CVE-2026-89551: SUNRPC: xdrbuftrim: clamp buf->len to avoid underflow (bsc#1280728). CVE-2026-89674: nfsd: fix XDR length calculation in nfsd4ffencodelayoutget (bsc#1280285). CVE-2026-98432: ipv4: free inetopt and ireqopt after an RCU grace period (bsc#1285686).
— SUSE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
suse/kernel-livepatch-SLE15-SP7_Update_21to a version that resolves this vulnerability.Fixed in 3-150700.2.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-150700_53_81-default-3-150700.2.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-150700_53_81-default-debuginfo-3-150700.2.1 - Upgrade
Upgrade
SUSE Linux Enterprise Kernelto a version that resolves this vulnerability.Fixed in 6.4.0-150700.53.81Patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-5085
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
Which systems are in scope for this update?
The update applies to SUSE Linux Enterprise Live Patching 15-SP7 on ppc64le, s390x, and x86_64 systems. It addresses issues in the SUSE Linux Enterprise Kernel 6.4.0-150700.53.81 through the kernel-livepatch-sle15-sp7_update_21 package.