Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevents deadlock by changing j1939sockslock to rwlock. The following 3 locks may race against each other, causing a deadlock situation in the Syzbot bug report: - j1939sockslock - activesessionlistlock -...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005004)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005004 advisory. In the Linux kernel, the following vulnerability has been resolved: can: j1939: fix Use-after-Free, hold skb ref while in use This patch fixes a Use-after-Free found...

kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock

A vulnerability was found in the Linux kernel's Controller Area Network CAN protocol, within the J1939 protocol implementation. This issue occurs due to a potential deadlock caused by a race condition involving three locks: j1939sockslock, activesessionlistlock, and sksessionqueuelock. This issue...

SUSE CVE-2021-47232

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fix Use-after-Free, hold skb ref while in use This patch fixes a Use-after-Free found by the syzbot. The problem is that a skb is taken from the per-session skb queue, without incrementing the ref count. This leads to...

DEBIAN-CVE-2021-47232

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fix Use-after-Free, hold skb ref while in use This patch fixes a Use-after-Free found by the syzbot. The problem is that a skb is taken from the per-session skb queue, without incrementing the ref count. This leads to...

UBUNTU-CVE-2021-47232

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fix Use-after-Free, hold skb ref while in use This patch fixes a Use-after-Free found by the syzbot. The problem is that a skb is taken from the per-session skb queue, without incrementing the ref count. This leads to...

SUSE CVE-2023-52638

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevent deadlock by changing j1939sockslock to rwlock The following 3 locks would race against each other, causing the deadlock situation in the Syzbot bug report: - j1939sockslock - activesessionlistlock -...

PT-2024-11240 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a Use-after-Free problem in the Linux kernel, specifically in the can: j1939 module. The problem occurs when a skb is taken from the per-session skb queue witho...