CVE-2026-53223 | Linux Kernel up to 7.0.12 net net/socket.c skb_is_err_queue pkt_type heap-based overflow

June 25, 2026 Yanac

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 7.0.12. Affected is the function skb_is_err_queue of the file net/socket.c of the component net. This manipulation of the argument pkt_type causes heap-based buffer overflow.

This vulnerability is handled as CVE-2026-53223. The attack can only be done within the local network. There is not any exploit available.

It is advisable to upgrade the affected component.VulDB Recent EntriesRead More