CVE-2026-90342

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix mmaplock deadlock on arena lock failure Reported by the Sashiko AI review. arenavmfault returns VMFAULTRETRY when it can't take arena-spinlock, but it never took mmaplock. The fault path assumes a VMFAULTRETRY handler...

EUVD-2026-82003

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix mmaplock deadlock on arena lock failure Reported by the Sashiko AI review. arenavmfault returns VMFAULTRETRY when it can't take arena-spinlock, but it never took mmaplock. The fault path assumes a VMFAULTRETRY handler...

CVE-2026-90342 bpf: Fix mmap_lock deadlock on arena lock failure

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix mmaplock deadlock on arena lock failure Reported by the Sashiko AI review. arenavmfault returns VMFAULTRETRY when it can't take arena-spinlock, but it never took mmaplock. The fault path assumes a VMFAULTRETRY handler...

CVE-2026-90342

CVE-2026-90342 is a deadlock in the Linux kernel BPF subsystem, specifically in the arena_vm_fault() path. The root cause is that arena_vm_fault() returns VM_FAULT_RETRY when it fails to acquire arena->spinlock, without ever having taken mmap_lock. The fault handler (do_user_addr_fault) then r...

CVE-2026-90342 bpf: Fix mmap_lock deadlock on arena lock failure

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix mmaplock deadlock on arena lock failure Reported by the Sashiko AI review. arenavmfault returns VMFAULTRETRY when it can't take arena-spinlock, but it never took mmaplock. The fault path assumes a VMFAULTRETRY handler...