SB20251230235 - NULL pointer dereference in Linux kernel remoteproc driver
Published: December 30, 2025 Updated: December 30, 2025
Security Bulletin ID
SB20251230235
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2022-50888)
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 website.
References
- 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