SUSE-SU-2026:24492-1: Security update for the Linux Kernel (Live Patch 20 for SUSE Linux Enterprise Micro 6.0)
This update for the SUSE Linux Enterprise Kernel 6.4.0-43.1 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 6.4.0-43.1 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_Update_20to a version that resolves this vulnerability.Fixed in 9-1.1 - Upgrade
Upgrade
suse/kernel-livepatch-MICROto a version that resolves this vulnerability.Fixed in 6-0_Update_20-debugsource-9-1.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-43-default-9-1.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-43-default-debuginfo-9-1.1 - Upgrade
Upgrade
SUSE Linux Enterprise Kernelto a version that resolves this vulnerability.Fixed in 6.4.0-43.1Patch SUSE-SLE-Micro-6.0-kernel-744
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
Does the advisory identify exploit prerequisites or an attack vector for these issues?
No. The advisory lists the affected kernel subsystems and fixes, but does not state attacker access requirements, network exposure, or other exploitation prerequisites.
Does the advisory say whether default installations are affected?
No. It does not describe default configuration exposure or identify which enabled kernel features or services are required for each issue.
Is a workaround provided for systems that cannot immediately install the update?
No workaround or compensating control is included in the provided advisory data. The stated remediation is the SUSE Linux Enterprise Kernel 6.4.0-43.1 update.