SB20250502193 - NULL pointer dereference in Linux kernel pinctrl driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502193
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-2022-49832)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the pinctrl_dt_to_map() function in drivers/pinctrl/devicetree.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/040f726fecd88121f3b95e70369785ad452dddf9
- https://git.kernel.org/stable/c/5834a3a98cd266ad35a229923c0adbd0addc8d68
- https://git.kernel.org/stable/c/777430aa4ddccaa5accec6db90ffc1d47f00d471
- https://git.kernel.org/stable/c/91d5c5060ee24fe8da88cd585bb43b843d2f0dce
- https://git.kernel.org/stable/c/97e5b508e96176f1a73888ed89df396d7041bfcb
- https://git.kernel.org/stable/c/a988dcd3dd9e691c5ccc3324b209688f3b5453e9
- https://git.kernel.org/stable/c/aaf552c5d53abe4659176e099575fe870d2e4768
- https://git.kernel.org/stable/c/b4d9f55cd38435358bc16d580612bc0d798d7b4c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.300