SB20251226208 - NULL pointer dereference in Linux kernel dma qcom driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226208
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-2022-50721)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the adm_prep_slave_sg() function in drivers/dma/qcom/qcom_adm.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/5653bd0200944e5803fa8e32dc36aa49931312f9
- https://git.kernel.org/stable/c/9a041174c58a226e713f6cebd41eccec7a5cfa72
- https://git.kernel.org/stable/c/b9d2140c3badf4107973ad77c5a0ec3075705c85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17
- 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