SUSE-SU-2026:24521-1: Security update for the Linux Kernel RT (Live Patch 17 for SUSE Linux Enterprise 16)

Published Nov 2, 2026
·
Updated

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.38.1 fixes various security issues:

The following security issues were fixed:

- CVE-2026-74469: sctp: prevent peer transport count overflow (bsc#1280693). - CVE-2026-80521: afunix: Unlink sccentry in unixdeledge() (bsc#1282495). - 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 6.12.0-160000.38.1 fixes various security issues: The following security issues were fixed: CVE-2026-74469: sctp: prevent peer transport count overflow (bsc#1280693). CVE-2026-80521: afunix: Unlink sccentry in unixdeledge() (bsc#1282495). 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

4 affected componentsFixes available
suse/kernel-livepatch-sle16-rt_update_17<2-160000.1.1
2-160000.1.1
All of the following
SUSE SUSE Linux Micro 6.2 (x86_64)
Any of the following
suse/kernel-livepatch<6_12_0-160000_38-rt-debuginfo-2-160000.1.1
6_12_0-160000_38-rt-debuginfo-2-160000.1.1
suse/kernel-livepatch<6_12_0-160000_38-rt-2-160000.1.1
6_12_0-160000_38-rt-2-160000.1.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade suse/kernel-livepatch-SLE16-RT_Update_17 to a version that resolves this vulnerability.

    Fixed in 2-160000.1.1
  2. Upgrade

    Upgrade suse/kernel-livepatch to a version that resolves this vulnerability.

    Fixed in 6_12_0-160000_38-rt-debuginfo-2-160000.1.1
  3. Upgrade

    Upgrade suse/kernel-livepatch to a version that resolves this vulnerability.

    Fixed in 6_12_0-160000_38-rt-2-160000.1.1
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch SUSE-SL-Micro-6.2-2013

Event History

Nov 2, 2026
Advisory Published
via OSV·09:45 AM
Data Sourced
via OSV·09:45 AM
DescriptionAffected Software
Data Sourced
via SUSE·09:45 AM
RemedyDescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

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