CVE-2025-38453 io_uring/msg_ring: ensure io_kiocb freeing is deferred for RCU

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 io_uring/msg_ring: ensure io_kiocb freeing is deferred for RCU

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

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: 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...

Exploit for Out-of-bounds Write in Linux Linux_Kernel

CVE-2023-2598 what's iouring? ​ iouring is a system c...

ROS-20250721-01

The vulnerability of the iorwinitfile function of the iouring/rw.c module of the asynchronous I/O interface of the kernel of the of Linux operating system is related to reuse of previously freed memory. Exploitation exploitation of the vulnerability could allow an attacker to affect the...

SUSE CVE-2025-38256

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

CVE-2025-38256

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

UBUNTU-CVE-2025-38256

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

CVE-2025-38256

CVE-2025-38256 involves io_uring/rsrc folio unpinning in the Linux kernel. The issue arises when pinning a folio’s tail page and then unpinning the head page via unpin_user_page*, which can trigger a debug warning in mm/gup.c. The provided connected Astra Linux bulletin confirms the root cause an...

CVE-2025-38256 io_uring/rsrc: fix folio unpinning

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

CVE-2025-38256 io_uring/rsrc: fix folio unpinning

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

CVE-2025-38256

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from a folio unbinding error in iouring resource handling, which could lead to memory management exceptions...

CVE-2025-38256: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

SUSE CVE-2025-38196

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: validate buffer count with offset for cloning syzbot reports that it can trigger a WARNON for kmalloc attempt that's too big: WARNING: CPU: 0 PID: 6488 at mm/slub.c:5024 kvmallocnodenoprof+0x520/0x640 mm/slub.c:5024...

PT-2025-33547

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contained an issue related to page pool destruction warnings within the io uring/zcrx subsystem. Specifically, the issue involved allocated niovs on page pool...

CVE-2025-38196

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: validate buffer count with offset for cloning syzbot reports that it can trigger a WARNON for kmalloc attempt that's too big: WARNING: CPU: 0 PID: 6488 at mm/slub.c:5024 kvmallocnodenoprof+0x520/0x640 mm/slub.c:5024...

CVE-2025-38196

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: validate buffer count with offset for cloning syzbot reports that it can trigger a WARNON for kmalloc attempt that's too big: WARNING: CPU: 0 PID: 6488 at mm/slub.c:5024 kvmallocnodenoprof+0x520/0x640 mm/slub.c:5024...

UBUNTU-CVE-2025-38196

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: validate buffer count with offset for cloning syzbot reports that it can trigger a WARNON for kmalloc attempt that's too big: WARNING: CPU: 0 PID: 6488 at mm/slub.c:5024 kvmallocnodenoprof+0x520/0x640 mm/slub.c:5024...