SB20251112156 - Buffer overflow in Linux kernel sparc lib
Published: November 12, 2025
Security Bulletin ID
SB20251112156
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) Buffer overflow (CVE-ID: CVE-2025-40112)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the ENTRY() function in arch/sparc/lib/NGmemcpy.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/05440320ea3e249d5f984918f2bf51210c1a7c03
- https://git.kernel.org/stable/c/088c5098ec6d6b0396edfbf3dad3e81de8469c1c
- https://git.kernel.org/stable/c/0b67c8fc10b13a9090340c5f8a37d308f4e1571c
- https://git.kernel.org/stable/c/37547d8e6eba87507279ee3dfddfd9dc46335454
- https://git.kernel.org/stable/c/7823fc4d8ab5e57f8db7806ff2530c03c166c4bb
- https://git.kernel.org/stable/c/8cdeb5e482d3fdce7e825444b6ca3865e24c0228
- https://git.kernel.org/stable/c/a365ee556e45f780ee322b349a06efdad0c1458f
- https://git.kernel.org/stable/c/a90ce516a73dbe087f9bf3dbf311301a58d125c6