CVE-2025-39701
Published: September 6, 2025Last modified: September 6, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: ACPI: pfr_update: Fix the driver update version check The security-version-number check should be used rather than the runtime version check for driver updates. Otherwise, the firmware update would fail when the update binary had a lower runtime version number than the current one. [ rjw: Changelog edits ]
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 (6.1.151-r0) |
| 25 LTS | linux-lts | Fixed (6.12.44-r0) | |
| Stream | linux-lts | Fixed (6.12.44-r0) |
References
- https://git.kernel.org/stable/c/79300ff532bccbbf654992c7c0863b49a6c3973c
- https://git.kernel.org/stable/c/8151320c747efb22d30b035af989fed0d502176e
- https://git.kernel.org/stable/c/908094681f645d3a78e18ef90561a97029e2df7b
- https://git.kernel.org/stable/c/b00219888c11519ef75d988fa8a780da68ff568e
- https://git.kernel.org/stable/c/cf0a88124e357bffda487cbf3cb612bb97eb97e4
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html