CVE-2026-31526 bpf: Fix exception exit lock checking for subprogs

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix exception exit lock checking for subprogs processbpfexitfull passes checklock = !curframe to checkresourceleak, which is false in cases when bpfthrow is called from a static subprog. This makes checkresourceleak to skip...

PT-2026-34431

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the process bpf exit full function where check lock is set to !curframe when calling check resource leak. In cases where bpf throw is called from a static subprog, thi...