SB20250620159 - Buffer overflow in Linux kernel dsa sja1105 driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620159
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-50040)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the sja1105_setup_devlink_regions() function in drivers/net/dsa/sja1105/sja1105_devlink.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/7983e1e44cb322eba6af84160b6d18df80603fb8
- https://git.kernel.org/stable/c/79f86b862416126a2e826cb74224180d6625a32f
- https://git.kernel.org/stable/c/e84c6321f3578c38cb3c24258db91a92672b17a8
- https://git.kernel.org/stable/c/fd8e899cdb5ecaf8e8ee73854a99e10807eef1de
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.138
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0