CVE-2026-80638 | Linux Kernel up to 7.1.4 ocfs2 ocfs2_remove_refcount_extent out-of-bounds write

August 28, 2026 Yanac

A vulnerability, which was classified as very critical, has been found in Linux Kernel up to 7.1.4. This issue affects the function ocfs2_remove_refcount_extent of the component ocfs2. This manipulation causes out-of-bounds write.

This vulnerability is registered as CVE-2026-80638. Remote exploitation of the attack is possible. No exploit is available.

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