#VU116794 NULL pointer dereference in Linux kernel - CVE-2022-50509
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116794
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-2022-50509
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 coda_start_encoding() function in drivers/media/platform/chips-media/coda-bit.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0209e70ad496c1fcd85c2ec70e6736fd09f95d14
- https://git.kernel.org/stable/c/11e32126b3e56c3156fb610d793732acd2bdac4f
- https://git.kernel.org/stable/c/441c05485cf1a29eef05c1fd8281716815283315
- https://git.kernel.org/stable/c/6e5e5defdb8b0186312c2f855ace175aee6daf9b
- https://git.kernel.org/stable/c/7a2c66429b04e85fee44d6d9f455327bf23cf49c
- https://git.kernel.org/stable/c/aa17a252dbde432095e390e2092205d4debb12e1
- https://git.kernel.org/stable/c/ba9cc9e2035f7a45f5222543265daf7cd51f2530
- https://git.kernel.org/stable/c/d308c4a035b636756786af91e5f39f9d92d7d42a
- https://git.kernel.org/stable/c/d9b37ea8869e4e6da90c07a310d819a78cbd23d2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163