CVE-2025-39701
HIGH severity · CVSS 7.8
7.8CVSS HIGH
Summary
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 ]
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/79300ff532bccbbf654992c7c0863b49a6c3973c ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/79300ff532bccbbf654992c7c0863b49a6c3973cPatch
- https://git.kernel.org/stable/c/8151320c747efb22d30b035af989fed0d502176ePatch
- https://git.kernel.org/stable/c/908094681f645d3a78e18ef90561a97029e2df7bPatch
- https://git.kernel.org/stable/c/b00219888c11519ef75d988fa8a780da68ff568ePatch
- https://git.kernel.org/stable/c/cf0a88124e357bffda487cbf3cb612bb97eb97e4Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlAdvisory
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html