Description
In the Linux kernel, the following vulnerability has been resolved:
platform/x86: dell-wmi-sysman: Avoid buffer overflow in current_password_store()
If the 'buf' array received from the user contains an empty string, the 'length' variable will be zero. Accessing the 'buf' array element with index 'length - 1' will result in a buffer overflow.
Add a check for an empty string.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= e8a60aa7404bfef37705da5607c97737073ac38d, < fb7cde625872709b8cedad9b241e0ec3d82fa7d3; >= e8a60aa7404bfef37705da5607c97737073ac38d, < 60bd13f8c4b3de2c910ae1cdbef85b9bbc9685f5; >= e8a60aa7404bfef37705da5607c97737073ac38d, < f86465626917df3b8bdd2756ec0cc9d179c5af0f; >= e8a60aa7404bfef37705da5607c97737073ac38d, < 8594a123cfa23d708582dc6fb36da34479ef8a5b; >= e8a60aa7404bfef37705da5607c97737073ac38d, < 97066373ffd55bd9af0b512ff3dd1f647620a3dc; >= e8a60aa7404bfef37705da5607c97737073ac38d, < 4e89a4077490f52cde652d17e32519b666abf3a6 |
| Linux | Linux | 5.11 |
References
- https://git.kernel.org/stable/c/4e89a4077490f52cde652d17e32519b666abf3a6Patch
- https://git.kernel.org/stable/c/60bd13f8c4b3de2c910ae1cdbef85b9bbc9685f5Patch
- https://git.kernel.org/stable/c/8594a123cfa23d708582dc6fb36da34479ef8a5bPatch
- https://git.kernel.org/stable/c/97066373ffd55bd9af0b512ff3dd1f647620a3dcPatch
- https://git.kernel.org/stable/c/f86465626917df3b8bdd2756ec0cc9d179c5af0fPatch
- https://git.kernel.org/stable/c/fb7cde625872709b8cedad9b241e0ec3d82fa7d3Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlThird Party Advisory
Timeline
- Published
- Jun 18, 2025
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed