SB20250227188 - Input validation error in Linux kernel smb client
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250227188
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-2025-21725)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the parse_server_interfaces() function in fs/smb/client/smb2ops.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/208e102a2fca44e40a6c3f7b9e2609cfd17a15aa
- https://git.kernel.org/stable/c/3f901c35e1a1b3ed1b528a17ffdb941aa0294458
- https://git.kernel.org/stable/c/699179dfc8d7da457b152ca5d18ae45f9ed9beaa
- https://git.kernel.org/stable/c/ad3b49fbdb156aa8ee2026ba590642c9b5a410f2
- https://git.kernel.org/stable/c/be7a6a77669588bfa5022a470989702bbbb11e7f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.129
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.76