SUSE-SU-2026:5058-1: Security update for the Linux Kernel (Live Patch 20 for SUSE Linux Enterprise 15 SP7)
This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.78 fixes various security issues:
The following security issues were fixed:
- CVE-2026-53381: virtiofs: fix UAF on submount umount (bsc#1271837). - 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-2026-74469: 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 6.4.0-150700.53.78 fixes various security issues: The following security issues were fixed: CVE-2026-53381: virtiofs: fix UAF on submount umount (bsc#1271837). 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-2026-74469: 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-SLE15-SP7_Update_20to a version that resolves this vulnerability.Fixed in 5-150700.2.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-150700_53_78-default-5-150700.2.1 - Upgrade
Upgrade
suse/kernel-livepatchto a version that resolves this vulnerability.Fixed in 6_4_0-150700_53_78-default-debuginfo-5-150700.2.1 - Upgrade
Upgrade
SUSE Linux Enterprise Live Patching 15-SP7to a version that resolves this vulnerability.Patch SUSE-SLE-Module-Live-Patching-15-SP7-2026-5058
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
Which systems are in scope for this update?
The update is for SUSE Linux Enterprise Live Patching 15 SP7 on ppc64le, s390x, and x86_64 systems. It addresses the SUSE Linux Enterprise Kernel 6.4.0-150700.53.78.
Which kernel components are affected by the listed fixes?
The fixes span virtiofs, netfs, xfrm, SCTP, IPVS, SUNRPC, NFS server code, and IPv4 handling. Systems using these kernel subsystems should prioritize review of the applicable CVEs.