CVE-2026-23204 | Linux Kernel up to 6.6.123/6.12.69/6.18.9 cls_u32 skb_header_pointer_careful out-of-bounds

A vulnerability was found in Linux Kernel up to 6.6.123/6.12.69/6.18.9. It has been declared as critical. This issue affects the function skb_header_pointer_careful of the component cls_u32. The manipulation results in out-of-bounds read.

This vulnerability is identified as CVE-2026-23204. The attack can only be performed from the local network. There is not any exploit available.

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