CVE-2026-52942 netfilter: nf_log: validate MAC header was set before dumping it

In the Linux kernel, the following vulnerability has been resolved: netfilter: nflog: validate MAC header was set before dumping it The fallback path of dumpmacheader guards the MAC header access only with "skb-macheader != skb-networkheader", without checking skbmacheaderwasset. When the MAC...

kernel: netfilter: ip6t_eui64: reject invalid MAC header for all packets

A flaw was found in the Linux kernel's netfilter component. This vulnerability occurs because the eui64mt6 function, which processes IPv6 packets, does not properly validate the MAC header for all packets. Specifically, packets with a zero fragment offset could bypass an existing guard, allowing...

Security update for the Linux Kernel

The SUSE Linux Enterprise 11 SP4 kernel was updated to fix various security issues The following security issues were fixed: CVE-2026-23271: perf: Fix perfeventoverflow vs perfremovefromcontext race bsc1260018. CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261638...

RLSA-2026:21557 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: j1939: j1939sessionnew: fix skb reference counting CVE-2024-56645 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183 kernel: mm: thp: deny...

ALSA-2026:21557 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: j1939: j1939sessionnew: fix skb reference counting CVE-2024-56645 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183 kernel: mm: thp: deny...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from not properly validating the MAC header, which could lead to a null pointer dereference...