SB20250327155 - Resource management error in Linux kernel can j1939
Published: March 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250327155
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) Resource management error (CVE-ID: CVE-2021-4454)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the j1939_session_deactivate() function 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/1740a1e45eee65099a92fb502e1e67e63aad277d
- https://git.kernel.org/stable/c/6950df42a03c9ac9290503ced3f371199cb68fa9
- https://git.kernel.org/stable/c/9ab896775f98ff54b68512f345eed178bf961084
- https://git.kernel.org/stable/c/b6d44072117bba057d50f7a2f96e5d070c65926d
- https://git.kernel.org/stable/c/d0553680f94c49bbe0e39eb50d033ba563b4212d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.232
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2