SB20251112163 - Input validation error in Linux kernel sparc lib
Published: November 12, 2025
Security Bulletin ID
SB20251112163
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-2025-40126)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the ENTRY() function in arch/sparc/lib/U1memcpy.S. 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/0bf3dc3a2156f1c5ddaba4b85d09767874634114
- https://git.kernel.org/stable/c/41c18baee66134e6ef786eb075c1b6adb22432b0
- https://git.kernel.org/stable/c/4fba1713001195e59cfc001ff1f2837dab877efb
- https://git.kernel.org/stable/c/57c278500fce3cd4e1c540700c0b05426a958393
- https://git.kernel.org/stable/c/59424dc0d0e044b2eb007686a4724ddd91d57db5
- https://git.kernel.org/stable/c/674ff598148a28bae0b5372339de56f2abf0b1d1
- https://git.kernel.org/stable/c/7de3a75bbc8465d816336c74d50109e73501efab
- https://git.kernel.org/stable/c/9b137f277cc3297044aabd950f589e505d30104c