SUSE-SU-2026:24480-1: Security update for the Linux Kernel RT (Live Patch 29 for SUSE Linux Enterprise Micro 6.0)
This update for the SUSE Linux Enterprise Kernel 6.4.0-52.1 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 6.4.0-52.1 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-MICRO-6-0-RT_Update_29to a version that resolves this vulnerability.Fixed in 3-1.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-52-rt-debuginfo-3-1.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-52-rt-3-1.1 - Upgrade
Upgrade
suse/kernel-livepatch-MICROto a version that resolves this vulnerability.Fixed in 6-0-RT_Update_29-debugsource-3-1.1 - Upgrade
Upgrade
SUSE Linux Enterprise Micro 6.0 Linux Kernel RTto a version that resolves this vulnerability.Fixed in 6.4.0-52.1Patch SUSE-SLE-Micro-6.0-kernel-724
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
Which deployments are in scope for this update?
The update applies to SUSE Linux Enterprise Micro 6.0 on x86_64 using the Linux Kernel RT live-patch packages, including kernel-livepatch-micro-6-0-rt_update_29.
Does the advisory identify exploit prerequisites or affected default configurations?
No. The advisory lists fixes in SCTP, SUNRPC, NFS server, and IPv4 code, but does not state the access level, network exposure, service configuration, or default settings required for exploitation.