CVE-2026-52933

CVE-2026-52933 affects the Linux kernel’s io_uring/poll path. The vulnerability stems from a signed comparison in io_poll_get_ownership(): it compares an atomic_read(&req->poll_refs) against IO_POLL_REF_BIAS using signed arithmetic. If the IO_POLL_CANCEL_FLAG (BIT(31)) is set, the read value b...

UBUNTU-CVE-2022-49012

In the Linux kernel, the following vulnerability has been resolved: afs: Fix server-active leak in afsputserver The atomicread was accidentally replaced with atomicincreturn, which prevents the server from getting cleaned up and causes rmmod to hang with a warning: Can't purge s=00000001...