{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39701","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.115Z","datePublished":"2025-09-05T17:21:07.580Z","dateUpdated":"2026-05-12T12:06:23.158Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:34:35.335Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: pfr_update: Fix the driver update version check\n\nThe security-version-number check should be used rather\nthan the runtime version check for driver updates.\n\nOtherwise, the firmware update would fail when the update binary had\na lower runtime version number than the current one.\n\n[ rjw: Changelog edits ]"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/pfr_update.c","include/uapi/linux/pfrut.h"],"versions":[{"version":"0db89fa243e5edc5de38c88b369e4c3755c5fb74","lessThan":"79300ff532bccbbf654992c7c0863b49a6c3973c","status":"affected","versionType":"git"},{"version":"0db89fa243e5edc5de38c88b369e4c3755c5fb74","lessThan":"cf0a88124e357bffda487cbf3cb612bb97eb97e4","status":"affected","versionType":"git"},{"version":"0db89fa243e5edc5de38c88b369e4c3755c5fb74","lessThan":"b00219888c11519ef75d988fa8a780da68ff568e","status":"affected","versionType":"git"},{"version":"0db89fa243e5edc5de38c88b369e4c3755c5fb74","lessThan":"908094681f645d3a78e18ef90561a97029e2df7b","status":"affected","versionType":"git"},{"version":"0db89fa243e5edc5de38c88b369e4c3755c5fb74","lessThan":"8151320c747efb22d30b035af989fed0d502176e","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/pfr_update.c","include/uapi/linux/pfrut.h"],"versions":[{"version":"5.17","status":"affected"},{"version":"0","lessThan":"5.17","status":"unaffected","versionType":"semver"},{"version":"6.1.149","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.103","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.44","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.16.4","lessThanOrEqual":"6.16.*","status":"unaffected","versionType":"semver"},{"version":"6.17","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.1.149"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.6.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.12.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.16.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/79300ff532bccbbf654992c7c0863b49a6c3973c"},{"url":"https://git.kernel.org/stable/c/cf0a88124e357bffda487cbf3cb612bb97eb97e4"},{"url":"https://git.kernel.org/stable/c/b00219888c11519ef75d988fa8a780da68ff568e"},{"url":"https://git.kernel.org/stable/c/908094681f645d3a78e18ef90561a97029e2df7b"},{"url":"https://git.kernel.org/stable/c/8151320c747efb22d30b035af989fed0d502176e"}],"title":"ACPI: pfr_update: Fix the driver update version check","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T17:42:29.730Z"}},{"x_adpType":"supplier","providerMetadata":{"orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","shortName":"siemens-SADP","dateUpdated":"2026-05-12T12:06:23.158Z"},"affected":[{"vendor":"Siemens","product":"SIMATIC CN 4100","versions":[{"status":"affected","version":"0","lessThan":"V5.0","versionType":"custom"}],"defaultStatus":"unknown"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-032379.html"}]}]}}