A vulnerability described as critical has been identified in Linux Kernel up to 6.6.127/6.12.74/6.18.15/6.19.5. Affected by this issue is the function
ext4_percpu_param_init of the component ext4. Such manipulation leads to memory corruption.
This vulnerability is documented as CVE-2026-43288. The attack requires being on the local network. There is not any exploit available.
Upgrading the affected component is recommended.
