SB2025121652 - Memory leak in Linux kernel misc driver
Published: December 16, 2025
Security Bulletin ID
SB2025121652
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) Memory leak (CVE-ID: CVE-2025-68252)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the fastrpc_map_lookup() function in drivers/misc/fastrpc.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/214e81a63a9aa0be42382ef0365ba5ed32c513ab
- https://git.kernel.org/stable/c/9a297a68c3ba4a7ecb31ed52f61bd6634abb79d3
- https://git.kernel.org/stable/c/c2fef5ebb73f3dabae6fbc571d181914ed32c483
- https://git.kernel.org/stable/c/e17b13387827adce7acb19ac0f07f9bcafe0ff4c
- https://git.kernel.org/stable/c/fff111bf45cbeeb659324316d68554e35d350092