CVE-2026-23403 | Linux Kernel up to 6.6.129/6.12.76/6.18.17/6.19.7/7.0-rc3 apparmor verify_header memory leak

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.6.129/6.12.76/6.18.17/6.19.7/7.0-rc3. This vulnerability affects the function verify_header of the component apparmor. Performing a manipulation results in memory leak.

This vulnerability is identified as CVE-2026-23403. The attack can only be performed from the local network. There is not any exploit available.

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