kernel: io_uring/msg_ring: ensure io_kiocb freeing is deferred for RCU

A use-after-free flaw was found in iouring/msgring in the Linux Kernel. In this flaw iokiocb freeing is deferred for RCU which can lead to a kernel information leak problem...

kernel: io_uring/msg_ring: ensure io_kiocb freeing is deferred for RCU

A use-after-free flaw was found in iouring/msgring in the Linux Kernel. In this flaw iokiocb freeing is deferred for RCU which can lead to a kernel information leak problem...

EUVD-2025-203786

In the Linux kernel, the following vulnerability has been resolved: iouring/net: ensure vectored buffer node import is tied to notification When support for vectored registered buffers was added, the import itself is using 'req' rather than the notification iokiocb, sr-notif. For non-vectored...

PT-2025-51698

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s io uring/net functionality. Specifically, the import process for vectored registered buffers incorrectly uses 'req' instead of the correct io kiocb,...

Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP7)

This update for the Linux Kernel 6.4.0-15070051 fixes several issues. The following security issues were fixed: CVE-2025-38664: ice: Fix a null pointer dereference in icecopyandinitpkg bsc1248631. CVE-2025-38511: drm/xe/pf: Clear all LMTT pages on alloc bsc1248176. CVE-2025-38617: net/packet: fix...

UBUNTU-CVE-2025-38453

In the Linux kernel, the following vulnerability has been resolved: iouring/msgring: ensure iokiocb freeing is deferred for RCU syzbot reports that defer/local taskwork adding via msgring can hit a request that has been freed: CPU: 1 UID: 0 PID: 19356 Comm: iou-wrk-19354 Not tainted...