SB2025081153 - Input validation error in Linux kernel fs
Published: August 11, 2025
Security Bulletin ID
SB2025081153
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) Input validation error (CVE-ID: CVE-2025-38499)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the clone_private_mount() function in fs/namespace.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/38628ae06e2a37770cd794802a3f1310cf9846e3
- https://git.kernel.org/stable/c/c28f922c9dcee0e4876a2c095939d77fe7e15116
- https://git.kernel.org/stable/c/d717325b5ecf2a40daca85c61923e17f32306179
- https://git.kernel.org/stable/c/dc6a664089f10eab0fb36b6e4f705022210191d2
- https://git.kernel.org/stable/c/e77078e52fbf018ab986efb3c79065ab35025607