CVE-2025-21633 | Linux Kernel up to 6.12.9/6.13-rc6 sqpoll thread_group_cputime use after free

CVE-2025-21633 | Linux Kernel up to 6.12.9/6.13-rc6 sqpoll thread_group_cputime use after free

A vulnerability classified as critical has been found in Linux Kernel up to 6.12.9/6.13-rc6. This affects the function thread_group_cputime of the component sqpoll. The manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2025-21633. Access to the local network is required for this attack. There is no exploit available. It is recommended to upgrade the affected component.