#VU120790 NULL pointer dereference in Linux kernel - CVE-2022-50888
Published: December 30, 2025 / Updated: December 30, 2025
Vulnerability identifier: #VU120790
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-2022-50888
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 q6v5_wcss_init_mmio() function in drivers/remoteproc/qcom_q6v5_wcss.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/0903a87490a9ed456ac765a84dcc484c1ee42c32
- https://git.kernel.org/stable/c/098ebb9089c4eedea09333f912d105fa63377496
- https://git.kernel.org/stable/c/3afa88ae9911b65702a3aca9d92ea23fe496e56f
- https://git.kernel.org/stable/c/f360e2b275efbb745ba0af8b47d9ef44221be586
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86
- 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