ACPI: pfr_update: Fix the driver update version check
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 ]
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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 ]
05 / REFERENCES
Further evidence
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39701.json
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-39701