SUSE-SU-2026:24497-1: Security update for the Linux Kernel RT (Live Patch 18 for SUSE Linux Enterprise Micro 6.0)
This update for the SUSE Linux Enterprise Kernel 6.4.0-40.1 fixes various security issues:
The following security issues were fixed:
- CVE-2026-53016: crypto: ccp - copy IV using skcipher ivsize (bsc#1269766). - CVE-2026-53381: virtiofs: fix UAF on submount umount (bsc#1271837). - CVE-2026-63968: ipv6: fix possible infinite loop in fib6selectpath() (bsc#1272521). - CVE-2026-64217: netfs: Fix overrun check in netfsextractuseriter() (bsc#1272874). - CVE-2026-68426: xfrm: fix stale skb->prev after async crypto steals a GSO segment (bsc#1274712). - CVE-2026-72262: ASoC: SOF: ipc3-control: Fix heap overflow in bytesext put/get (bsc#1277679). - CVE-2026-74469: sctp: prevent peer transport count overflow (bsc#1280693). - CVE-2026-74669: ipvs: clear IPv4 options after rebasing tunnel ICMP errors (bsc#1277399). - 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 6.4.0-40.1 fixes various security issues: The following security issues were fixed: CVE-2026-53016: crypto: ccp - copy IV using skcipher ivsize (bsc#1269766). CVE-2026-53381: virtiofs: fix UAF on submount umount (bsc#1271837). CVE-2026-63968: ipv6: fix possible infinite loop in fib6selectpath() (bsc#1272521). CVE-2026-64217: netfs: Fix overrun check in netfsextractuseriter() (bsc#1272874). CVE-2026-68426: xfrm: fix stale skb->prev after async crypto steals a GSO segment (bsc#1274712). CVE-2026-72262: ASoC: SOF: ipc3-control: Fix heap overflow in bytesext put/get (bsc#1277679). CVE-2026-74469: sctp: prevent peer transport count overflow (bsc#1280693). CVE-2026-74669: ipvs: clear IPv4 options after rebasing tunnel ICMP errors (bsc#1277399). 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_18to a version that resolves this vulnerability.Fixed in 13-1.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-40-rt-13-1.1 - Upgrade
Upgrade
suse/kernel-livepatch-MICROto a version that resolves this vulnerability.Fixed in 6-0-RT_Update_18-debugsource-13-1.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-40-rt-debuginfo-13-1.1 - Upgrade
Upgrade
SUSE Linux Enterprise Kernelto a version that resolves this vulnerability.Fixed in 6.4.0-40.1Patch SUSE-SLE-Micro-6.0-kernel-733
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
Does the advisory describe attacker access requirements or exploitation prerequisites for the listed issues?
No. The provided advisory text identifies affected kernel subsystems and CVEs, but does not state whether exploitation requires local access, network access, specific privileges, or particular configurations.
Are temporary mitigations or configuration workarounds provided if the kernel update cannot be deployed immediately?
No workaround or non-patch mitigation is included in the provided advisory text. The stated remediation is the SUSE Linux Enterprise Kernel 6.4.0-40.1 update.