SB20250226396 - NULL pointer dereference in Linux kernel thermal broadcom driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226396
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-2022-49459)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the sr_thermal_probe() function in drivers/thermal/broadcom/sr-thermal.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/61621e042c22b47d1eadee617bdd26835294b425
- https://git.kernel.org/stable/c/79098339ac2065f4b4352ef5921628970b6f47e6
- https://git.kernel.org/stable/c/b3461ccaa5d2588568d865faee285512ad448049
- https://git.kernel.org/stable/c/e20d136ec7d6f309989c447638365840d3424c8e
- https://git.kernel.org/stable/c/ee9b6b02e8c140323ed46d6602d805ea735c7719
- https://git.kernel.org/stable/c/ef1235c6514a58f274246cf4a2d5f4e40af539ce
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.46