#VU115917 NULL pointer dereference in Linux kernel - CVE-2022-50415
Published: September 19, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115917
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-2022-50415
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 start_task() function in drivers/parisc/led.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/3505c187b86136250b39e62c72a3a70435277af6
- https://git.kernel.org/stable/c/41f563ab3c33698bdfc3403c7c2e6c94e73681e4
- https://git.kernel.org/stable/c/5e4500454d75dd249be4695d83afa3ba0724c37e
- https://git.kernel.org/stable/c/67c98fec87ed76b1feb2ae810051afd88dfa9df6
- https://git.kernel.org/stable/c/77f8b628affaec692d83ad8bfa3520db8a0cc493
- https://git.kernel.org/stable/c/ac838c663ba1fd6bff35a817fd89a47ab55e88e0
- https://git.kernel.org/stable/c/c6db0c32f39684c89c97bc1ba1c9c4249ca09e48
- https://git.kernel.org/stable/c/fc307b2905a3dd75c50a53b4d87ac9c912fb7c4e
- https://git.kernel.org/stable/c/fc6d0f65f22040c6cc8a5ce032bf90252629de50
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.303