CVE-2026-97582

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97582", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-24T16:01:01.156Z", "datePublished": "2026-09-25T10:22:03.041Z", "dateUpdated": "2026-10-30T12:37:29.592Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:37:29.592Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (gpio-fan) Fix use-after-free in alarm work\n\nfan_alarm_irq_handler() queues fan_data->alarm_work, but nothing\ncancels it. fan_alarm_notify() dereferences fan_data and its hwmon\ndevice. On unbind, devres frees the interrupt, which only waits for\nthe handler itself, and then releases the hwmon device and fan_data,\nso a pending fan_alarm_notify() can run after those frees.\n\nReplace INIT_WORK() with devm_work_autocancel(), registered before\ndevm_request_irq(). The devres cleanup then frees the interrupt\nfirst, so no new work can be queued, and cancels the work while\nfan_data and the hwmon device are still alive.\n\nThis issue was found by an in-house static analysis tool."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hwmon/gpio-fan.c"], "versions": [{"version": "d6fe1360f42e86262153927986dea6502daff703", "lessThan": "7f96803f612134f585ab3b39e6d5b2d4b9c0606f", "status": "affected", "versionType": "git"}, {"version": "d6fe1360f42e86262153927986dea6502daff703", "lessThan": "594c62eea7c82f526054496e9fa9b895122a8016", "status": "affected", "versionType": "git"}, {"version": "d6fe1360f42e86262153927986dea6502daff703", "lessThan": "6e67d9bdac810edacef78cbaeedd34445aa8ceb7", "status": "affected", "versionType": "git"}, {"version": "d6fe1360f42e86262153927986dea6502daff703", "lessThan": "e9fc7d53b2eb34c0a607d1659f49b46911aaf16c", "status": "affected", "versionType": "git"}, {"version": "d6fe1360f42e86262153927986dea6502daff703", "lessThan": "9b12bd724db9db318e3a68be17693583dc29a066", "status": "affected", "versionType": "git"}, {"version": "d6fe1360f42e86262153927986dea6502daff703", "lessThan": "30755d3a5782cd704c8921cac8ee66dffe4383ea", "status": "affected", "versionType": "git"}, {"version": "d6fe1360f42e86262153927986dea6502daff703", "lessThan": "c6ab7f855891877a16d2e2ddf0cd0305fd098a85", "status": "affected", "versionType": "git"}, {"version": "d6fe1360f42e86262153927986dea6502daff703", "lessThan": "a2471ed17b0e6ff7bfb6b2ea8e6e5b04c309d293", "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/hwmon/gpio-fan.c"], "versions": [{"version": "2.6.37", "status": "affected"}, {"version": "0", "lessThan": "2.6.37", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.273", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.222", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "2.6.37", "versionEndExcluding": "5.10.273"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.15.222"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7f96803f612134f585ab3b39e6d5b2d4b9c0606f"}, {"url": "https://git.kernel.org/stable/c/594c62eea7c82f526054496e9fa9b895122a8016"}, {"url": "https://git.kernel.org/stable/c/6e67d9bdac810edacef78cbaeedd34445aa8ceb7"}, {"url": "https://git.kernel.org/stable/c/e9fc7d53b2eb34c0a607d1659f49b46911aaf16c"}, {"url": "https://git.kernel.org/stable/c/9b12bd724db9db318e3a68be17693583dc29a066"}, {"url": "https://git.kernel.org/stable/c/30755d3a5782cd704c8921cac8ee66dffe4383ea"}, {"url": "https://git.kernel.org/stable/c/c6ab7f855891877a16d2e2ddf0cd0305fd098a85"}, {"url": "https://git.kernel.org/stable/c/a2471ed17b0e6ff7bfb6b2ea8e6e5b04c309d293"}], "title": "hwmon: (gpio-fan) Fix use-after-free in alarm work", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/hwmon/gpio-fan.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7f96803f612134f585ab3b39e6d5b2d4b9c0606f", "status": "affected", "version": "d6fe1360f42e86262153927986dea6502daff703", "versionType": "git"}, {"lessThan": "594c62eea7c82f526054496e9fa9b895122a8016", "status": "affected", "version": "d6fe1360f42e86262153927986dea6502daff703", "versionType": "git"}, {"lessThan": "6e67d9bdac810edacef78cbaeedd34445aa8ceb7", "status": "affected", "version": "d6fe1360f42e86262153927986dea6502daff703", "versionType": "git"}, {"lessThan": "e9fc7d53b2eb34c0a607d1659f49b46911aaf16c", "status": "affected", "version": "d6fe1360f42e86262153927986dea6502daff703", "versionType": "git"}, {"lessThan": "9b12bd724db9db318e3a68be17693583dc29a066", "status": "affected", "version": "d6fe1360f42e86262153927986dea6502daff703", "versionType": "git"}, {"lessThan": "30755d3a5782cd704c8921cac8ee66dffe4383ea", "status": "affected", "version": "d6fe1360f42e86262153927986dea6502daff703", "versionType": "git"}, {"lessThan": "c6ab7f855891877a16d2e2ddf0cd0305fd098a85", "status": "affected", "version": "d6fe1360f42e86262153927986dea6502daff703", "versionType": "git"}, {"lessThan": "a2471ed17b0e6ff7bfb6b2ea8e6e5b04c309d293", "status": "affected", "version": "d6fe1360f42e86262153927986dea6502daff703", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/hwmon/gpio-fan.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.37"}, {"lessThan": "2.6.37", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.273", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.222", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.111", "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", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (gpio-fan) Fix use-after-free in alarm work\n\nfan_alarm_irq_handler() queues fan_data->alarm_work, but nothing\ncancels it. fan_alarm_notify() dereferences fan_data and its hwmon\ndevice. On unbind, devres frees the interrupt, which only waits for\nthe handler itself, and then releases the hwmon device and fan_data,\nso a pending fan_alarm_notify() can run after those frees.\n\nReplace INIT_WORK() with devm_work_autocancel(), registered before\ndevm_request_irq(). The devres cleanup then frees the interrupt\nfirst, so no new work can be queued, and cancels the work while\nfan_data and the hwmon device are still alive.\n\nThis issue was found by an in-house static analysis tool."}], "id": "CVE-2026-97582", "lastModified": "2026-10-30T13:21:08.710", "metrics": {}, "published": "2026-09-25T11:17:09.010", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/30755d3a5782cd704c8921cac8ee66dffe4383ea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/594c62eea7c82f526054496e9fa9b895122a8016"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6e67d9bdac810edacef78cbaeedd34445aa8ceb7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7f96803f612134f585ab3b39e6d5b2d4b9c0606f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9b12bd724db9db318e3a68be17693583dc29a066"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a2471ed17b0e6ff7bfb6b2ea8e6e5b04c309d293"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c6ab7f855891877a16d2e2ddf0cd0305fd098a85"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e9fc7d53b2eb34c0a607d1659f49b46911aaf16c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: hwmon: (gpio-fan) Fix use-after-free in alarm work", "id": "2541210", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541210"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nhwmon: (gpio-fan) Fix use-after-free in alarm work\nfan_alarm_irq_handler() queues fan_data->alarm_work, but nothing\ncancels it. fan_alarm_notify() dereferences fan_data and its hwmon\ndevice. On unbind, devres frees the interrupt, which only waits for\nthe handler itself, and then releases the hwmon device and fan_data,\nso a pending fan_alarm_notify() can run after those frees.\nReplace INIT_WORK() with devm_work_autocancel(), registered before\ndevm_request_irq(). The devres cleanup then frees the interrupt\nfirst, so no new work can be queued, and cancels the work while\nfan_data and the hwmon device are still alive.\nThis issue was found by an in-house static analysis tool.", "A flaw was found in the Linux kernel's GPIO fan driver. When a device is unbound, pending alarm work is not properly canceled before associated memory resources are freed, resulting in a use-after-free condition. A local attacker could exploit this race condition to cause a Denial of Service (DoS) through a kernel crash or potentially achieve arbitrary code execution."], "name": "CVE-2026-97582", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-97582\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97582\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97582.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[d6fe1360f42e86262153927986dea6502daff703,9b12bd724db9db318e3a68be17693583dc29a066)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[d6fe1360f42e86262153927986dea6502daff703,a2471ed17b0e6ff7bfb6b2ea8e6e5b04c309d293)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[d6fe1360f42e86262153927986dea6502daff703,30755d3a5782cd704c8921cac8ee66dffe4383ea)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[d6fe1360f42e86262153927986dea6502daff703,c6ab7f855891877a16d2e2ddf0cd0305fd098a85)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.6.37"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,2.6.37)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.111,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc3,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-25T19:15:10.542079+00:00", "updated": "2026-10-01T10:15:06.441831+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}