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 ]
Fix
Patch, vendor advisory and mitigation references on NVD 5
- https://git.kernel.org/stable/c/79300ff532bccbbf654992c7c0863b49a6c3973c Patch
- https://git.kernel.org/stable/c/8151320c747efb22d30b035af989fed0d502176e Patch
- https://git.kernel.org/stable/c/908094681f645d3a78e18ef90561a97029e2df7b Patch
- https://git.kernel.org/stable/c/b00219888c11519ef75d988fa8a780da68ff568e Patch
- https://git.kernel.org/stable/c/cf0a88124e357bffda487cbf3cb612bb97eb97e4 Patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.8 · linux, debianNVD modified 2026-10-19 21:10
Affected (CPE criteria) 4
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
References 7
- https://git.kernel.org/stable/c/79300ff532bccbbf654992c7c0863b49a6c3973c Patch
- https://git.kernel.org/stable/c/8151320c747efb22d30b035af989fed0d502176e Patch
- https://git.kernel.org/stable/c/908094681f645d3a78e18ef90561a97029e2df7b Patch
- https://git.kernel.org/stable/c/b00219888c11519ef75d988fa8a780da68ff568e Patch
- https://git.kernel.org/stable/c/cf0a88124e357bffda487cbf3cb612bb97eb97e4 Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html