SB2024082222 - NULL pointer dereference in Linux kernel hwmon driver
Published: August 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082222
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-2022-48942)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the hwmon_thermal_add_sensor() function in drivers/hwmon/hwmon.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/962b2a3188bfa5388756ffbc47dfa5ff59cb8011
- https://git.kernel.org/stable/c/7efe8499cb90651c540753f4269d2d43ede14223
- https://git.kernel.org/stable/c/8a1969e14ad93663f9a3ed02ccc2138da9956a0e
- https://git.kernel.org/stable/c/1b5f517cca36292076d9e38fa6e33a257703e62e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.103
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17