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SUSE Linux Enterprise Kernel RT Important Security Update 2026-23262

SUSE Linux Enterprise Kernel RT Important Security Update 2026-23262

Linuxsecurity •LinuxSecurity Advisories • August 26, 2026

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## This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.31.1 fixes various security issues. The following security issues were fixed: * CVE-2026-23449: net/sched: teql: Fix double-free in teql_master_xmit (bsc#1262213). * CVE-2026-31629: nfc: llcp: add missing return after LLCP_CLOSED checks (bsc#1263791). * CVE-2026-43077: crypto: algif_aead - Fix minimum RX size check for decryption (bsc#1265306). * CVE-2026-43109: x86: shadow stacks: proper error handling for mmap lock (bsc#1269282). * CVE-2026-43110: wifi: brcmfmac: validate bsscfg indices in IF events (bsc#1264483). * CVE-2026-46037: ipv4: icmp: validate type before using icmp_pointers (bsc#1267362). * CVE-2026-46242: eventpoll: fix ep_remove struct eventpoll / struct file UAF (bsc#1270300).

## This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.31.1 fixes various security issues. The following security issues were fixed: * CVE-2026-23449: net/sched: teql: Fix double-free in teql_master_xmit (bsc#1262213). * CVE-2026-31629: nfc: llcp: add missing return after LLCP_CLOSED checks (bsc#1263791). * CVE-2026-43077: crypto: algif_aead - Fix minimum RX size check for decryption (bsc#1265306). * CVE-2026-43109: x86: shadow stacks: proper error handling for mmap lock (bsc#1269282). * CVE-2026-43110: wifi: brcmfmac: validate bsscfg indices in IF events (bsc#1264483). * CVE-2026-46037: ipv4: icmp: validate type before using icmp_pointers (bsc#1267362). * CVE-2026-46242: eventpoll: fix ep_remove struct eventpoll / struct file UAF (bsc#1270300).

* CVE-2026-23449 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-23449 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Announcement ID: SUSE-SU-2026:23262-1 Release Date: 2026-08-24T15:50:14Z Rating: important

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