CVE-2026-53034

A flaw was found in the Linux kernel's Berkeley Packet Filter BPF and sockmap components, specifically within the afunix socket operations. A race condition occurs during the connection process where a socket's state is updated before its peer is fully assigned. This timing issue can lead to a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: AppArmor: Fixed the issue where NULL sock was used in aasockfileperm. Consider the possibility that sock and sock-sk could become NULL during socket setup or tear-down. This could lead to an error. The fix for NULL pointer...

CVE-2026-45848 apparmor: fix NULL sock in aa_sock_file_perm

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL sock in aasockfileperm Deal with the potential that sock and sock-sk can be NULL during socket setup or teardown. This could lead to an oops. The fix for NULL pointer dereference in unixneedsrevalidation shows...

PT-2026-43715

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the AppArmor module. Specifically, the aa sock file perm function does not properly handle cases where sock and sock-sk can be NULL during socket set...

Astra Linux – Vulnerability in Flatpak

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In versions prior to 1.10.4 and 1.12.0, Flatpak applications that had direct access to AFUNIX sockets—such as those used by Wayland, Pipewire, or pipewire-pulse—could trick portals and other host-...

Linux Distros Unpatched Vulnerability : CVE-2026-6479

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Uncontrolled recursion in PostgreSQL SSL and GSS negotiation allows an attacker able to connect to a PostgreSQL AFUNIX socket to achieve sustained denial of...

Linux Distros Unpatched Vulnerability : CVE-2026-43016

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: sockmap: Fix use-after-free of sk-sksocket in skpsockverdictdataready. syzbot reported use- after-free of AFUNIX socket's sk-sksocket in...

CVE-2026-23302

Summary (CVE-2026-23302): The Linux kernel patch resolves a data-race in data-path pointers sk->sk_data_ready and sk->sk_write_space, where skmsg and possibly other layers could modify these pointers while others may read them concurrently. The fix adds corresponding READ_ONCE()/WRITE_ONCE(...

Unity Linux 20.1070e Security Update: flatpak (UTSA-2025-680655)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-680655 advisory. Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In versions prior to 1.10.4 and 1.12.0, Flatpak apps with direct...

USN-7758-1: Linux kernel vulnerability

It was discovered that the AFUNIX socket garbage collection implementation in Ubuntu Noble's 6.8 kernel did not properly handle out-of-band OOB messages, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary...

kernel: af_unix: Fix garbage collector racing against connect()

A flaw was found in the Linux kernel, where the management of inter-process communication uses AFUNIX sockets. The issue arises from a race condition where a partially initialized socket with specific permissions carrying SCMRIGHTS is improperly handled during garbage collection. This situation...

kernel: af_unix: Fix garbage collector racing against connect()

A flaw was found in the Linux kernel, where the management of inter-process communication uses AFUNIX sockets. The issue arises from a race condition where a partially initialized socket with specific permissions carrying SCMRIGHTS is improperly handled during garbage collection. This situation...

DEBIAN-CVE-2024-26732

In the Linux kernel, the following vulnerability has been resolved: net: implement lockless setsockoptSOPEEKOFF syzbot reported a lockdep violation 1 involving afunix support of SOPEEKOFF. Since SOPEEKOFF is inherently not thread safe it uses a per-socket skpeekoff field, there is really no point...

DEBIAN-CVE-2021-41133

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In versions prior to 1.10.4 and 1.12.0, Flatpak apps with direct access to AFUNIX sockets such as those used by Wayland, Pipewire or pipewire-pulse can trick portals and other host-OS services int...

UBUNTU-CVE-2021-41133

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In versions prior to 1.10.4 and 1.12.0, Flatpak apps with direct access to AFUNIX sockets such as those used by Wayland, Pipewire or pipewire-pulse can trick portals and other host-OS services int...