CVE-2026-46253 | Linux Kernel up to 6.19.3 pstore persistent_ram_save_old heap-based overflow

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.19.3. This issue affects the function persistent_ram_save_old of the component pstore. Such manipulation leads to heap-based buffer overflow.

This vulnerability is traded as CVE-2026-46253. Access to the local network is required for this attack to succeed. There is no exploit available.

You should upgrade the affected component.