RHSA-2026:53990 Red Hat Security Advisory: kernel security, bug fix, and enhancement update

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CVE-2025-38002 io_uring/fdinfo: grab ctx->uring_lock around io_uring_show_fdinfo()

In the Linux kernel, the following vulnerability has been resolved: iouring/fdinfo: grab ctx-uringlock around iouringshowfdinfo Not everything requires locking in there, which is why the 'haslock' variable exists. But enough does that it's a bit unwieldy to manage. Wrap the whole thing in a...

CVE-2025-38002

In the Linux kernel, the following vulnerability has been resolved: iouring/fdinfo: grab ctx-uringlock around iouringshowfdinfo Not everything requires locking in there, which is why the 'haslock' variable exists. But enough does that it's a bit unwieldy to manage. Wrap the whole thing in a...

CVE-2025-38002

CVE-2025-38002 concerns the Linux kernel io_uring/fdinfo path. The fix acquires the ctx->uring_lock around io_uring_show_fdinfo() and wraps the whole process in a ->uring_lock_trylock, returning no output if the lock can’t be grabbed. This addresses a race when the ring is actively resized,...