#VU106217 Resource management error in Linux kernel - CVE-2021-4454
Published: March 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU106217
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-4454
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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