CVE-2025-38077
Published: June 21, 2025Last modified: June 21, 2025
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.141-r0) |
| 25 LTS | linux-lts | Fixed (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- https://git.kernel.org/stable/c/4e89a4077490f52cde652d17e32519b666abf3a6
- https://git.kernel.org/stable/c/60bd13f8c4b3de2c910ae1cdbef85b9bbc9685f5
- https://git.kernel.org/stable/c/8594a123cfa23d708582dc6fb36da34479ef8a5b
- https://git.kernel.org/stable/c/97066373ffd55bd9af0b512ff3dd1f647620a3dc
- https://git.kernel.org/stable/c/f86465626917df3b8bdd2756ec0cc9d179c5af0f
- https://git.kernel.org/stable/c/fb7cde625872709b8cedad9b241e0ec3d82fa7d3
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html