SUSE-SU-2026:24496-1: Security update for the Linux Kernel (Live Patch 23 for SUSE Linux Enterprise Micro 6.0)
This update for the SUSE Linux Enterprise Kernel 6.4.0-46.1 fixes various security issues:
The following security issues were fixed:
- 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 6.4.0-46.1 fixes various security issues: The following security issues were fixed: 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_23to a version that resolves this vulnerability.Fixed in 9-1.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-46-default-9-1.1 - Upgrade
Upgrade
suse/kernel-livepatch-MICROto a version that resolves this vulnerability.Fixed in 6-0_Update_23-debugsource-9-1.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-46-default-debuginfo-9-1.1 - Upgrade
Upgrade
SUSE Linux Enterprise Kernelto a version that resolves this vulnerability.Fixed in 6.4.0-46.1Patch SUSE-SLE-Micro-6.0-kernel-742
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
Does the advisory describe exploit prerequisites or whether affected functionality is enabled by default?
No. It identifies fixes across kernel subsystems, but does not specify attacker access requirements, affected default configurations, or exploitability conditions for the individual CVEs.
Are workaround or temporary mitigation steps provided for systems that cannot yet install the update?
No temporary mitigations or configuration workarounds are included. The stated remediation is the SUSE Linux Enterprise Kernel 6.4.0-46.1 update.
Does the advisory provide a method to determine whether a system has already been exploited?
No. It does not include indicators of compromise, detection guidance, log signatures, or other post-exploitation checks.