kernel: bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel

A use-after-free flaw was found in the Linux kernel’s BPF functionality. This flaw allows a local user to crash the system...

DEBIAN-CVE-2024-26737

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix racing between bpftimercancelandfree and bpftimercancel The following race is possible between bpftimercancelandfree and bpftimercancel. It will lead a UAF on the timer-timer. bpftimercancel; spinlock; t = timer-time;...