#VU120789 NULL pointer dereference in Linux kernel - CVE-2022-50884
Published: December 30, 2025 / Updated: December 30, 2025
Vulnerability identifier: #VU120789
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-2022-50884
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 drm_copy_field() function in drivers/gpu/drm/drm_ioctl.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/2d6708ea5c2033ff53267feff1876a717689989f
- https://git.kernel.org/stable/c/6cf5e9356b2d856403ee480f987f3ea64dbf8d8c
- https://git.kernel.org/stable/c/8052612b9d08048ebbebcb572894670b4ac07d2f
- https://git.kernel.org/stable/c/c28a8082b25ce4ec94999e10a30c50d20bd44a25
- https://git.kernel.org/stable/c/ca163e389f0ae096a4e1e19f0a95e60ed80b4e31
- https://git.kernel.org/stable/c/cdde55f97298e5bb9af6d41c9303a3ec545a370e
- https://git.kernel.org/stable/c/d213914386a0ede76a4549b41de30192fb92c595
- https://git.kernel.org/stable/c/ee9885cd936aad88f84d0cf90bf9a70e83e42a97
- https://git.kernel.org/stable/c/f6ee30407e883042482ad4ad30da5eaba47872ee
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.296
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.262
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.331
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.150
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.75
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.220
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1