CVE-2025-39701

CVE-2025-39701: vulnerability in Linux

ACPI: pfr_update: Fix the driver update version check

Published · Updated

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%
exploitation probability
0.2%top 92% of all CVEs
observed exploitation
nono source reports it
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 ]
Affected products
Linux · Linux
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References
https://cert-portal.siemens.com/productcert/html/ssa-032379.htmlhttps://git.kernel.org/stable/c/79300ff532bccbbf654992c7c0863b49a6c3973chttps://git.kernel.org/stable/c/8151320c747efb22d30b035af989fed0d502176ehttps://git.kernel.org/stable/c/908094681f645d3a78e18ef90561a97029e2df7bhttps://git.kernel.org/stable/c/b00219888c11519ef75d988fa8a780da68ff568ehttps://git.kernel.org/stable/c/cf0a88124e357bffda487cbf3cb612bb97eb97e4https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html