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...

ALSA-2025:16880 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: netfilter: nfconntrack: fix crash due to removal of uninitialised entry CVE-2025-38472 kernel: smb: client: fix use-after-free in cifsoplockbreak CVE-2025-38527 kernel: sctp: linearize...

RHEL 10 : kernel (RHSA-2025:16904)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:16904 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: fs: export...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: netfilter: nfconntrack: fix crash due to removal of uninitialised entry CVE-2025-38472 kernel: smb: client: fix use-after-free in cifsoplockbreak CVE-2025-38527 kernel: sctp: linearize...

Linux kernel io_uring DoS

The vulnerability of the iouring component in the Linux operating system’s kernel is related to improper memory release before deleting the last reference. Exploiting this vulnerability can allow an attacker to compromise data integrity and cause service failures...

Linux kernel io_uring/net DoS

The vulnerability of the iouring/net component in the Linux operating system’s kernel is related to memory initialization errors. Exploiting this vulnerability can allow an attacker to cause a system failure...

Exploit for Use After Free in Linux Linux_Kernel

CVE-2024-0582 PoC This repository contains a proof of conce...

Linux Kernel io_uring Futex Request Use-After-Free Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the the iouring...

SUSE CVE-2022-50234

In the Linux kernel, the following vulnerability has been resolved: iouring/afunix: defer registered files gc to iouring release Instead of putting iouring's registered files in unixgc we want it to be done by iouring itself. The trick here is to consider iouring registered files for cycle...

Linux io_uring/zcrx Heap Buffer Overflow DoS

The vulnerability of the ioppzcDestroy function in the iouring/zcrx.c module of the Linux operating system is related to unlimited resource allocation or throttling. Exploiting this vulnerability can allow an attacker to cause a service failure...

DEBIAN-CVE-2023-53366

In the Linux kernel, the following vulnerability has been resolved: block: be a bit more careful in checking for NULL bdev while polling Wei reports a crash with an application using polled IO: PGD 14265e067 P4D 14265e067 PUD 47ec50067 PMD 0 Oops: 0000 1 SMP CPU: 0 PID: 21915 Comm: iocore0 Kdump:...

Linux Distros Unpatched Vulnerability : CVE-2022-50234

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring/afunix: defer registered files gc to iouring release Instead of putting iouring's registered files in unixgc we want it to be done by iouring itself. Th...

Linux Distros Unpatched Vulnerability : CVE-2025-39822

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring/kbuf: fix signedness in thislen calculation When importing and using buffers, buf-len is considered unsigned. However, buf-len is converted to signed in...

Linux Distros Unpatched Vulnerability : CVE-2025-39816

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring/kbuf: always use READONCE to read ring provided buffer lengths Since the buffers are mapped from userspace, it is prudent to use READONCE to read the...

Linux Distros Unpatched Vulnerability : CVE-2025-39793

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iouring/memmap: cast nrpages to sizet before shifting If the allocated size exceeds UINTMAX, then it's necessary to cast the mr-nrpages value to sizet to preven...

SUSE CVE-2025-39793

In the Linux kernel, the following vulnerability has been resolved: iouring/memmap: cast nrpages to sizet before shifting If the allocated size exceeds UINTMAX, then it's necessary to cast the mr-nrpages value to sizet to prevent it from overflowing. In practice this isn't much of a concern as th...

SUSE CVE-2025-39822

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: fix signedness in thislen calculation When importing and using buffers, buf-len is considered unsigned. However, buf-len is converted to signed int when committing. This can lead to unexpected behavior if the buffer...

DEBIAN-CVE-2025-39822

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: fix signedness in thislen calculation When importing and using buffers, buf-len is considered unsigned. However, buf-len is converted to signed int when committing. This can lead to unexpected behavior if the buffer...

CVE-2025-39822

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: fix signedness in thislen calculation When importing and using buffers, buf-len is considered unsigned. However, buf-len is converted to signed int when committing. This can lead to unexpected behavior if the buffer...

DEBIAN-CVE-2025-39816

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: always use READONCE to read ring provided buffer lengths Since the buffers are mapped from userspace, it is prudent to use READONCE to read the value into a local variable, and use that for any other actions taken...