#VU104647 NULL pointer dereference in Linux kernel - CVE-2022-49221
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104647
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-2022-49221
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 msm_dp_modeset_init() function in drivers/gpu/drm/msm/dp/dp_display.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/104074ebc0c3f358dd1ee944fbcde92c6e5a21dd
- https://git.kernel.org/stable/c/413c62697b61226a236c8b1f5cd64dcf42bcc12f
- https://git.kernel.org/stable/c/5e602f5156910c7b19661699896cb6e3fb94fab9
- https://git.kernel.org/stable/c/9525b8bcae8b99188990b56484799cf4b1b43786
- https://git.kernel.org/stable/c/fbba600f432a360b42452fee79d1fb35d3aa8aeb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19