CVE-2025-21728

CVE-2025-21728: Linux kernel vulnerability where BPF programs in non-preemptible contexts calling bpf_send_signal() can sleep, causing issues. The fix changes irqs_disabled() to !preemptible(). Affects kernels with BPF support; CVSSv3.1 base 5.5 (LOCAL, LOW privileges, NONE user interaction, HIGH...