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, 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 – 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 – Vulnerability in 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 transfer tasks TP/ETP and subscribing to the error queue while...

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...

CVE-2026-80707

A flaw was found in the Linux kernel's J1939 CAN bus transport module. When a new session's receive buffer is allocated, it is not properly initialized, which can leave residual data from previous memory usage. A local attacker could potentially exploit this to read sensitive information from the...

SUSE CVE-2026-80707

In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data. While there is a potential performance impact if users allocate...

AZL-98108 CVE-2026-80707 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data. While there is a potential performance impact if users allocate...

CVE-2026-80707

In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data. While there is a potential performance impact if users allocate...

UBUNTU-CVE-2026-80707

In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data. While there is a potential performance impact if users allocate...

CVE-2026-80707

In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data. While there is a potential performance impact if users allocate...

EUVD-2026-67442

In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data. While there is a potential performance impact if users allocate...

CVE-2026-80707

CVE-2026-80707 affects the Linux kernel's CAN J1939 transport subsystem. The function j1939_session_fresh_new() allocates a receive buffer without zeroing it, leaving residual data from prior allocations that could be exposed to a session participant. The root cause is an uninitialized memory dis...

CVE-2026-80707 can: j1939: transport: j1939_session_fresh_new(): initialize receive buffer

In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data. While there is a potential performance impact if users allocate...

CVE-2026-80707 can: j1939: transport: j1939_session_fresh_new(): initialize receive buffer

In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data. While there is a potential performance impact if users allocate...

CVE-2026-80707

In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data. While there is a potential performance impact if users allocate...

Linux Distros Unpatched Vulnerability : CVE-2026-80707

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - can: j1939: transport: j1939sessionfreshnew: initialize receive buffer Zero the allocated buffer in j1939sessionfreshnew to ensure it contains no residual data...

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 5.10, Linux 5.15

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...

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 ...