PT-2025-46588 · Linux+4 · Linux Kernel+4
CVE-2025-40112
·
Published
2025-11-12
·
Updated
2026-08-23
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
An issue was identified in the Linux kernel related to exception handling within the
copy from user and copy to user functions on the Niagara architecture. The problem stemmed from inaccurate calculations and a flawed epilogue within the exception handlers introduced to manage user-space memory references. This could lead to system crashes and incorrect return values from the copy from user and copy to user functions when encountering faults. The behavior of memcpy remains unchanged.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Weakness Enumeration
Related Identifiers
Affected Products
Debian
Linuxmint
Linux Kernel
Red Os
Ubuntu