Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939sessionnew: fix skb reference counting Since j1939sessionskbqueue performs an additional skbget operation for each new skb, doing the same operation for the initial skb in j1939sessionnew will prevent refcount...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939sendone: fixed the issue of missing CAN header initialization. The read access to struct canxlframe::len within a j1939 object, which creates a skbuff, revealed that the reserved elements in struct canframe were...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevents deadlock by moving j1939skerrqueue This commit addresses a deadlock situation that can occur in certain scenarios, such as when running data TP/ETP transfers and subscribing to the error queue while...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fixed Use-after-Free, failed to increment the ref count of the skb while it was in use. This patch addresses a Use-after-Free issue identified by the syzbot. The problem arises when a skb is taken from the per-session...

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

In the Linux kernel, the following vulnerability has been resolved: can: j1939: Fixed a UAF in j1939skmatchfilter during setsockoptSOJ1939FILTER. Locked jsk-sk to prevent UAF when setsockopt..., SOJ1939FILTER, ... modifies jsk-filters while receiving packets. The following issue was observed on t...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: can: j1939: Initializes unused data in j1939sendone. syzbot reported a kernel-infoleak issue in rawrecvmsg. j1939sendone creates a full frame including unused data, but it does not initialize those unused data. This cause...

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 -...

RHEL 10 : kernel (RHSA-2026:25908)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:25908 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: afcan: do not leave a...

CVE-2026-42467

An issue was discovered in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe 2025-11-30 in SAEJ1939ReadBinaryDataTransferDM16 causing a denial of service via crafted CAN frame on the J1939 bus...

CVE-2026-37534

Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe 2025-11-30 in SAEJ1939ReadTransportProtocolDataTransfer,allows attackers to write to arbitrary memory via crafted sequence number from the CAN frame...

RLSA-2026:21557 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: j1939: j1939sessionnew: fix skb reference counting CVE-2024-56645 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183 kernel: mm: thp: deny...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

ALSA-2026:21557 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: j1939: j1939sessionnew: fix skb reference counting CVE-2024-56645 kernel: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr CVE-2025-68183 kernel: mm: thp: deny...

Astra Linux - уязвимость в linux-5.10, linux

A vulnerability classified as problematic has been discovered in the Linux kernel. The affected function is j1939sessiondestroy in the file net/can/j1939/transport.c. This manipulation leads to a memory leak. It is recommended that a patch be applied to fix this issue. The identifier of this...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021577)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021577 advisory. In the Linux kernel, the following vulnerability has been resolved: net: can: j1939: enhanced error handling for tightly received RTS messages in xtprxrtssessionnew...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939netdevstart: fixed a UAF Use-After-Free condition related to rxkref of j1939priv. This issue would trigger a UAF for rxkref of j1939priv as follows: cpu0 cpu1 j1939skBindsocket0, ndev0, … j1939netdevStart...

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

In the Linux kernel, the following vulnerability has been resolved: The issue in the j1939tptxdatnew function could lead to out-of-bounds memory access if the size of skb-cb is larger than the size of struct j1939skbuffcb. This occurs because the memcpy operation uses the size of skb-cb, causing ...

CVE-2026-42467

An issue was discovered in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe 2025-11-30 in SAEJ1939ReadBinaryDataTransferDM16 causing a denial of service via crafted CAN frame on the J1939 bus...

CVE-2026-37534

Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe 2025-11-30 in SAEJ1939ReadTransportProtocolDataTransfer,allows attackers to write to arbitrary memory via crafted sequence number from the CAN frame...

CVE-2026-37537

collin80/Open-SAE-J1939 thru commit 744024d4306bc387857dfce439558336806acb06 2023-03-08 contains an integer underflow leading to out-of-bounds write in Transport Protocol Data Transfer handling. At line 23: uint8t index = data0 - 1. When data0 sequence number from CAN frame is 0, index underflows...