#VU111630 Buffer overflow in Linux kernel - CVE-2022-50040
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111630
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50040
CWE-ID: CWE-119
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 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 repository.
External links
- 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