SB20251226228 - Improper locking in Linux kernel can j1939
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226228
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2023-54152)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __j1939_session_cancel(), j1939_session_cancel() and j1939_tp_rxtimer() functions in net/can/j1939/transport.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/8a581b71cf686b4cd1a85c9c2dfc2fb88382c3b4
- https://git.kernel.org/stable/c/ace6aa2ab5ba5869563ca689bbd912100514ae7b
- https://git.kernel.org/stable/c/d1366b283d94ac4537a4b3a1e8668da4df7ce7e9
- https://git.kernel.org/stable/c/f09ce9d765de1f064ce3919f57c6beb061744784
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.10