#VU96418 NULL pointer dereference in Linux kernel - CVE-2022-48942
Published: August 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96418
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48942
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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