SB20250502179 - NULL pointer dereference in Linux kernel can
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502179
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) NULL pointer dereference (CVE-ID: CVE-2022-49863)
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.
References
- 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