#VU108274 NULL pointer dereference in Linux kernel - CVE-2022-49863
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108274
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-2022-49863
CWE-ID: CWE-476
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 NULL pointer dereference within the can_rx_register() function in net/can/af_can.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/261178a1c2623077d62e374a75c195e6c99a6f05
- https://git.kernel.org/stable/c/8aa59e355949442c408408c2d836e561794c40a1
- https://git.kernel.org/stable/c/a8055677b054bc2bb78beb1080fdc2dc5158c2fe
- https://git.kernel.org/stable/c/afab4655750fcb3fca359bc7d7214e3d634cdf9c
- https://git.kernel.org/stable/c/d68fa77ee3d03bad6fe84e89759ddf7005f9e9c6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.155