#VU105140 NULL pointer dereference in Linux kernel - CVE-2025-21810
Published: February 28, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU105140
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-2025-21810
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 class_dev_iter_init() and class_dev_iter_next() functions in drivers/base/class.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/1614e75d1a1b63db6421c7a4bf37004720c7376c
- https://git.kernel.org/stable/c/5c504e9767b947cf7d4e29b811c0c8b3c53242b7
- https://git.kernel.org/stable/c/e128f82f7006991c99a58114f70ef61e937b1ac1
- https://git.kernel.org/stable/c/f4b9bc823b0cfdebfed479c0e87d6939c7562e87
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.76