Unity Linux 20.1070a Security Update: kernel (UTSA-2026-146313)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-146313 advisory. In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with modtimer an...

Astra Linux – vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix overflow when accumulating packets Add a check to ensure that x25sock.fraglen does not overflow. The fraglen also needs to be reset when purging fragmentqueue in x25clearqueues...

Astra Linux – vulnerability in linux-5.10, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed via modtimer and cancelled via timerdelete; thus, a pending timer holds no reference to the socket, and a cancellation does not wait for a callback...

ROS-20260929-73-0077

The vulnerability of the functions x25queuerxframe and x25clearqueues in the net/x25/x25in.c module, which are part of the networking functions in the Linux kernel, involves copying buffers without checking the size of the input data a classic buffer overflow attack. Exploiting this vulnerability...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fixed a leak in x25lapbreceiveframe. x25lapbreceiveframe uses skbcopy to obtain a private copy of an skb. The newly created skb should be freed in the under-sized/fragmented skb error handling path. Otherwise, a memory...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fixed a potential double-free of the skb object. When allocskb fails in x25queuerxframe, it calls kfreeskbskb at line 48 and returns 1 error. This error propagates through the call chain as follows: x25queuerxframe retur...

AZL-97077 CVE-2026-74628 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with modtimer and cancelled with timerdelete, so a pending timer holds no reference on the socket and a cancel does not wait for a callback already...

CVE-2026-74628

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with modtimer and cancelled with timerdelete, so a pending timer holds no reference on the socket and a cancel does not wait for a callback already...

UBUNTU-CVE-2026-74628

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with modtimer and cancelled with timerdelete, so a pending timer holds no reference on the socket and a cancel does not wait for a callback already...

CVE-2026-74628

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with modtimer and cancelled with timerdelete, so a pending timer holds no reference on the socket and a cancel does not wait for a callback already...

CVE-2026-74628 net/x25: fix use-after-free of the socket by its timers

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with modtimer and cancelled with timerdelete, so a pending timer holds no reference on the socket and a cancel does not wait for a callback already...

EUVD-2026-64565

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with modtimer and cancelled with timerdelete, so a pending timer holds no reference on the socket and a cancel does not wait for a callback already...

CVE-2026-74628

CVE-2026-74628 is a use-after-free in the Linux kernel's net/x25 (X.25 protocol) subsystem. The root cause is that x25 timers are armed with mod_timer() and cancelled with timer_delete(), meaning a pending timer holds no reference on the socket. Because x25_heartbeat_expiry() rearms unconditional...

CVE-2026-74628 net/x25: fix use-after-free of the socket by its timers

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with modtimer and cancelled with timerdelete, so a pending timer holds no reference on the socket and a cancel does not wait for a callback already...

PT-2026-79633

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the x25 network protocol implementation. The x25 timers are managed using mod timer and timer delete, which does not ensure a reference is held on the...

Linux Distros Unpatched Vulnerability : CVE-2026-74628

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with modtimer and cancelled with timerdelete, so a pending timer holds no...

CVE-2026-74628: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with modtimer and cancelled with timerdelete, so a pending timer holds no reference on the socket and a cancel does not wait for a callback already...

net/x25: fix use-after-free in x25_kill_by_neigh()

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CVE-2026-68137

The CVE-2026-68137 issue is a Linux kernel use-after-free in the X.25 networking code (x25_kill_by_neigh). The vulnerability arises when the kernel walks the global X.25 socket list without guaranteeing socket lifetime after dropping x25_list_lock, allowing a concurrent close to remove a socket a...

CVE-2026-68137: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free in x25killbyneigh x25killbyneigh walks the global X.25 socket list looking for sockets attached to a terminating neighbour. x25listlock protects list membership while the lookup is in progress, but it...