CVE-2022-29968

CVE-2022-29968 Proof-of-concept exploit for CVE-2022-29968 uninitialized memory in the Linux Kernel, specifically the iouring system. The crash was found with Syzkaller. The crash was analyzed by Joseph Ravichandran and Michael Wang. The exploit was written by Joseph Ravichandran. We found &...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the iouring/waitid operation not clearing the waitid information before copying it to the user...

CVE-2026-46274: Use After Free

In the Linux kernel, the following vulnerability has been resolved: io-wq: check that the predecessor is hashed in iowqremovepending iowqremovepending needs to fix up wq-hashtail if the cancelled work was the tail of its hash bucket. When doing this, it checks whether the preceding entry in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/net: Ensure that the import of the vectorized buffer node is tied to the notification. When support for vectorized registered buffers was added, the import itself uses ‘req’ instead of the notification iokiocb, sr-notif...

SUSE CVE-2025-68294

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...

CVE-2025-68294

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...

CVE-2025-68294

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...

UBUNTU-CVE-2025-68294

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...

CVE-2025-68294 io_uring/net: ensure vectored buffer node import is tied to notification

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...

CVE-2025-68294

The CVE-2025-68294 entry relates to the Linux kernel io_uring/net subsystem. Root cause: when vectored registered buffers are imported, the code used the wrong io_kiocb (using req instead of sr->notif); for non-vectored imports the correct notification io_kiocb is used, but vectored imports co...

CVE-2025-68294: Undefined Security Weakness

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...

Linux Distros Unpatched Vulnerability : CVE-2025-68294

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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'...

Linux Distros Unpatched Vulnerability : CVE-2025-39963

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring: fix incorrect iokiocb reference in iolinkskb In iolinkskb function, there is a bug where prevnotif is incorrectly assigned using 'nd' instead of...

CVE-2025-39963

In the Linux kernel, the following vulnerability has been resolved: iouring: fix incorrect iokiocb reference in iolinkskb In iolinkskb function, there is a bug where prevnotif is incorrectly assigned using 'nd' instead of 'prevnd'. This causes the context validation check to compare the current...

CVE-2025-39963 io_uring: fix incorrect io_kiocb reference in io_link_skb

In the Linux kernel, the following vulnerability has been resolved: iouring: fix incorrect iokiocb reference in iolinkskb In iolinkskb function, there is a bug where prevnotif is incorrectly assigned using 'nd' instead of 'prevnd'. This causes the context validation check to compare the current...

kernel: io_uring/futex: ensure io_futex_wait() cleans up properly on failure

In the Linux kernel, the following vulnerability has been resolved: iouring/futex: ensure iofutexwait cleans up properly on failure The iofutexdata is allocated upfront and assigned to the iokiocb asyncdata field, but the request isn't marked with REQFASYNCDATA at that point. Those two should...

SUSE 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...

CVE-2025-38453

CVE-2025-38453 affects the Linux kernel io_uring/msg_ring path, where io_kiocb freeing could occur while a previously freed request is still in use. The connected docs specify a root cause: requests allocated and freed independently in msg_ring can race with RCUs, risking use-after-free. The reco...

CVE-2025-38453: Undefined Security Weakness

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...