CVE-2026-98284 | Linux Kernel up to 7.2.7/7.3-rc3 Netlink /proc/net/netlink netlink_realloc_groups buffer overflow

October 6, 2026 Yanac

A vulnerability, which was classified as very critical, was found in Linux Kernel up to 7.2.7/7.3-rc3. This vulnerability affects the function netlink_realloc_groups of the file /proc/net/netlink of the component Netlink. Such manipulation of the argument groups leads to buffer overflow.

This vulnerability is traded as CVE-2026-98284. The attack may be launched remotely. There is no exploit available.

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