{"api_version":"1","generated_at":"2026-09-29T04:23:18+00:00","cve":"CVE-2026-98000","urls":{"html":"https://cve.report/CVE-2026-98000","api":"https://cve.report/api/cve/CVE-2026-98000.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98000","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98000"},"summary":{"title":"hwmon: Fix potential UAF in pec_store","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: Fix potential UAF in pec_store\n\nSashiko reports:\n\nIn pec_store(), a guard(mutex)(&hwdev->lock) is taken. If the chip write\noperation returns an error other than -EOPNOTSUPP, the code jumps to the\nput label, which calls put_device(hdev). If this drops the final reference,\nthe device is freed. When the function then returns, the guard cleanup\nfunction runs and attempts to unlock the freed mutex.\n\nUse scoped_guard() instead of guard() to avoid the problem.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:28","updated_at":"2026-09-25 11:17:28"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/8afab57bcdbc2186f325972e777880ac5a220f4f","name":"https://git.kernel.org/stable/c/8afab57bcdbc2186f325972e777880ac5a220f4f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/01dd8b4fc2cf83c66565c0f382fb1841e9000a89","name":"https://git.kernel.org/stable/c/01dd8b4fc2cf83c66565c0f382fb1841e9000a89","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/354ccc99b2dc8ba0cf6d4de34e520bcf6ecca5c2","name":"https://git.kernel.org/stable/c/354ccc99b2dc8ba0cf6d4de34e520bcf6ecca5c2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98000","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98000","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3ad2a7b9b15d5072139a20be84adb36776eb6c9b 8afab57bcdbc2186f325972e777880ac5a220f4f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3ad2a7b9b15d5072139a20be84adb36776eb6c9b 01dd8b4fc2cf83c66565c0f382fb1841e9000a89 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3ad2a7b9b15d5072139a20be84adb36776eb6c9b 354ccc99b2dc8ba0cf6d4de34e520bcf6ecca5c2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"98000","cve":"CVE-2026-98000","epss":"0.001660000","percentile":"0.051890000","score_date":"2026-09-27","updated_at":"2026-09-28 00:02:24"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/hwmon/hwmon.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8afab57bcdbc2186f325972e777880ac5a220f4f","status":"affected","version":"3ad2a7b9b15d5072139a20be84adb36776eb6c9b","versionType":"git"},{"lessThan":"01dd8b4fc2cf83c66565c0f382fb1841e9000a89","status":"affected","version":"3ad2a7b9b15d5072139a20be84adb36776eb6c9b","versionType":"git"},{"lessThan":"354ccc99b2dc8ba0cf6d4de34e520bcf6ecca5c2","status":"affected","version":"3ad2a7b9b15d5072139a20be84adb36776eb6c9b","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/hwmon/hwmon.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc3","versionStartIncluding":"6.18","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: Fix potential UAF in pec_store\n\nSashiko reports:\n\nIn pec_store(), a guard(mutex)(&hwdev->lock) is taken. If the chip write\noperation returns an error other than -EOPNOTSUPP, the code jumps to the\nput label, which calls put_device(hdev). If this drops the final reference,\nthe device is freed. When the function then returns, the guard cleanup\nfunction runs and attempts to unlock the freed mutex.\n\nUse scoped_guard() instead of guard() to avoid the problem."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:23:28.703Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/8afab57bcdbc2186f325972e777880ac5a220f4f"},{"url":"https://git.kernel.org/stable/c/01dd8b4fc2cf83c66565c0f382fb1841e9000a89"},{"url":"https://git.kernel.org/stable/c/354ccc99b2dc8ba0cf6d4de34e520bcf6ecca5c2"}],"title":"hwmon: Fix potential UAF in pec_store","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98000","datePublished":"2026-09-25T10:23:28.703Z","dateReserved":"2026-09-25T10:19:56.068Z","dateUpdated":"2026-09-25T10:23:28.703Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:28","lastModifiedDate":"2026-09-25 11:17:28","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98000","Ordinal":"1","Title":"hwmon: Fix potential UAF in pec_store","CVE":"CVE-2026-98000","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98000","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: Fix potential UAF in pec_store\n\nSashiko reports:\n\nIn pec_store(), a guard(mutex)(&hwdev->lock) is taken. If the chip write\noperation returns an error other than -EOPNOTSUPP, the code jumps to the\nput label, which calls put_device(hdev). If this drops the final reference,\nthe device is freed. When the function then returns, the guard cleanup\nfunction runs and attempts to unlock the freed mutex.\n\nUse scoped_guard() instead of guard() to avoid the problem.","Type":"Description","Title":"hwmon: Fix potential UAF in pec_store"}]}}}