#VU120796 NULL pointer dereference in Linux kernel - CVE-2022-50847
Published: December 30, 2025 / Updated: December 30, 2025
Vulnerability identifier: #VU120796
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-2022-50847
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 it6505_bridge_attach() and it6505_i2c_probe() functions in drivers/gpu/drm/bridge/ite-it6505.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/172d4d64075075f955e6e416915e3f287eec514a
- https://git.kernel.org/stable/c/8ed8505803774fc3f36a432718036c21cc51e2ba
- https://git.kernel.org/stable/c/e577d4b13064c337b83fe7edecb3f34e87144821
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2