SUSE-SU-2026:3256-1
SUSE-SU-2026:3256-1 · Security update for the Linux Kernel (Live Patch 14 for SUSE Linux Enterprise 15 SP7)
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.52 fixes various security issues: The following security issues were fixed: - CVE-2026-23240: tls: Fix race condition in tls_sw_cancel_work_tx() (bsc#1262404). - CVE-2026-31738: vxlan: validate ND option lengths in vxlan_na_create (bsc#1264060). - CVE-2026-43038: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (bsc#1271648). - CVE-2026-46113: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (bsc#1266970). - CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected role (bsc#1270060). - CVE-2026-53366: ipv4: account for fraggap on the paged allocation path (bsc#1271370).
Fix available
- Published
- Updated
Stack: system
Affected products and versions
kernel-livepatch-sle15-sp6_update_19 SUSE:Linux Enterprise Live Patching 15 SP6
- Affected ranges
- ECOSYSTEM: < 10-150600.2.1
Update to 10-150600.2.1
kernel-livepatch-sle15-sp7_update_14 SUSE:Linux Enterprise Live Patching 15 SP7
- Affected ranges
- ECOSYSTEM: < 4-150700.2.1
Update to 4-150700.2.1
Original sources
- https://www.suse.com/support/update/announcement/2026/suse-su-20263256-1/
- https://bugzilla.suse.com/1262404
- https://bugzilla.suse.com/1264060
- https://bugzilla.suse.com/1266970
- https://bugzilla.suse.com/1270060
- https://bugzilla.suse.com/1271370
- https://bugzilla.suse.com/1271648
- https://www.suse.com/security/cve/CVE-2026-23240
- https://www.suse.com/security/cve/CVE-2026-31738
- https://www.suse.com/security/cve/CVE-2026-43038
- https://www.suse.com/security/cve/CVE-2026-46113
- https://www.suse.com/security/cve/CVE-2026-53359
- https://www.suse.com/security/cve/CVE-2026-53366
- https://osv.dev/vulnerability/SUSE-SU-2026:3256-1