CVE-2022-50234 io_uring/af_unix: defer registered files gc to io_uring release

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...

CVE-2022-50234: Undefined Security Weakness

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...

CVE-2022-50323: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: do not sense pfmemalloc status in skbappendpagefrags skbappendpagefrags is used by afunix and udp sendpage implementation so far. In commit 326140063946 "tcp: TX zerocopy should not sense pfmemalloc status" we explained why ...

CVE-2023-53204: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix data-races around user-unixinflight. user-unixinflight is changed under spinlockunixgclock, but toomanyunixfds reads it locklessly. Let's annotate the write/read accesses to user-unixinflight. BUG: KCSAN: data-race in...

Linux Distros Unpatched Vulnerability : CVE-2022-48970

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: afunix: Get userns from inskb in unixdiaggetexact. Wei Chen reported a NULL deref in skusern...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: virtio: break and reset virtio devices on deviceshutdown CVE-2025-38064 In the Linux kernel, the following vulnerability has been resolved: netfs: Fix oops in write-retry from mis-resetting the subreq iterator...

AZL-72781 CVE-2025-38236 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: afunix: Don't leave consecutive consumed OOB skbs. Jann Horn reported a use-after-free in unixstreamreadgeneric. The following sequences reproduce the issue: $ python3 from socket import s1, s2 = socketpairAFUNIX, SOCKSTREAM...

CVE-2025-38236 af_unix: Don't leave consecutive consumed OOB skbs.

In the Linux kernel, the following vulnerability has been resolved: afunix: Don't leave consecutive consumed OOB skbs. Jann Horn reported a use-after-free in unixstreamreadgeneric. The following sequences reproduce the issue: $ python3 from socket import s1, s2 = socketpairAFUNIX, SOCKSTREAM...

CVE-2025-38236: Use After Free

In the Linux kernel, the following vulnerability has been resolved: afunix: Don't leave consecutive consumed OOB skbs. Jann Horn reported a use-after-free in unixstreamreadgeneric. The following sequences reproduce the issue: $ python3 from socket import s1, s2 = socketpairAFUNIX, SOCKSTREAM...

Linux Kernel Vulnerable to Dangling Pointer via Garbage Collector Racing Against Connect() in AF_UNIX Module

The Linux Kernel is vulnerable to a race condition in the AFUNIX garbage collector due to improper handling of socket connections. This could allow an attacker to cause memory corruption...

CVE-2023-53136: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: afunix: fix struct pid leaks in OOB support syzbot reported struct pid leak 1. Issue is that queueoob calls maybeaddcreds which potentially holds a reference on a pid. But skb-destructor is not set either directly or by calling...

SUSE CVE-2022-49344

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix a data-race in unixdgrampeerwakeme. unixdgrampoll calls unixdgrampeerwakeme without other's lock held and check if its receive queue is full. Here we need to use unixrecvqfulllockless instead of unixrecvqfull, otherwi...

CVE-2022-49344: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix a data-race in unixdgrampeerwakeme. unixdgrampoll calls unixdgrampeerwakeme without other's lock held and check if its receive queue is full. Here we need to use unixrecvqfulllockless instead of unixrecvqfull, otherwi...

Linux kernel af_unix DoS

The vulnerability of the afunix component in the Linux operating system kernel is related to resource management errors. Exploiting this vulnerability can allow an attacker to cause service failures...

K000148931: Linux kernel vulnerability CVE-2024-26923

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: afunix: Fix garbage collector racing against connect Garbage collector does not take into account the risk of embryo getting enqueued during the garbage collection. If such embryo has a peer that...

Linux kernel af_unix DoS

The vulnerability of the afunix component in the Linux operating system kernel is related to reading data beyond the allowed range in memory within the manageoob function. Exploiting this vulnerability can allow an attacker to cause a service failure...

Linux kernel io_uring/af_unix DoS

The vulnerability of the iouring/afunix component in the Linux operating system’s kernel is related to resource management errors. Exploiting this vulnerability can allow an attacker to cause service failures...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel: af_unix: Fix data races in unix_release_sock/unix_stream_sendmsg

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix data races in unixreleasesock/unixstreamsendmsg A data-race condition has been identified in afunix. In one data path, the write function unixreleasesock atomically writes to sk-skshutdown using WRITEONCE. However, on...

kernel security update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...