{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89475", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.710Z", "datePublished": "2026-09-11T19:43:32.537Z", "dateUpdated": "2026-09-11T19:43:32.537Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-11T19:43:32.537Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq24257: fix use-after-free on remove\n\nThe STAT-pin interrupt is devm-managed, so it stays armed until the devm\ncleanup that runs after remove() returns. remove() cancels\nbq->iilimit_setup_work while the threaded handler can still fire; that\nhandler reschedules the work and dereferences bq, so the work runs\nagainst freed memory once devm frees bq.\n\nMake the delayed work device-managed with devm_delayed_work_autocancel(),\nregistered before the interrupt request. The devm cleanup then releases\nthe interrupt first, so the handler can no longer reschedule the work,\nand cancels the work before bq is freed. The explicit\ncancel_delayed_work_sync() in remove() is no longer needed and is dropped.\n\nFound by static analysis."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/power/supply/bq24257_charger.c"], "versions": [{"version": "2219a935963e5eeb19e5abfb99475fcc06bbb804", "lessThan": "861ec73ce86e2ca18082cc7be4f140a5bbdf1428", "status": "affected", "versionType": "git"}, {"version": "2219a935963e5eeb19e5abfb99475fcc06bbb804", "lessThan": "f495808cdd6d9576965787cf6d9737d0b0e86b73", "status": "affected", "versionType": "git"}, {"version": "2219a935963e5eeb19e5abfb99475fcc06bbb804", "lessThan": "47ccbad210f48721c30d69d65b83dc9fff919ca9", "status": "affected", "versionType": "git"}, {"version": "2219a935963e5eeb19e5abfb99475fcc06bbb804", "lessThan": "9d34c9d660c3d0931d2cc749c46c47cf31f96e48", "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/power/supply/bq24257_charger.c"], "versions": [{"version": "4.2", "status": "affected"}, {"version": "0", "lessThan": "4.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.109", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.50", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.4", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc1", "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": "4.2", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "7.3-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/861ec73ce86e2ca18082cc7be4f140a5bbdf1428"}, {"url": "https://git.kernel.org/stable/c/f495808cdd6d9576965787cf6d9737d0b0e86b73"}, {"url": "https://git.kernel.org/stable/c/47ccbad210f48721c30d69d65b83dc9fff919ca9"}, {"url": "https://git.kernel.org/stable/c/9d34c9d660c3d0931d2cc749c46c47cf31f96e48"}], "title": "power: supply: bq24257: fix use-after-free on remove", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/power/supply/bq24257_charger.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "861ec73ce86e2ca18082cc7be4f140a5bbdf1428", "status": "affected", "version": "2219a935963e5eeb19e5abfb99475fcc06bbb804", "versionType": "git"}, {"lessThan": "f495808cdd6d9576965787cf6d9737d0b0e86b73", "status": "affected", "version": "2219a935963e5eeb19e5abfb99475fcc06bbb804", "versionType": "git"}, {"lessThan": "47ccbad210f48721c30d69d65b83dc9fff919ca9", "status": "affected", "version": "2219a935963e5eeb19e5abfb99475fcc06bbb804", "versionType": "git"}, {"lessThan": "9d34c9d660c3d0931d2cc749c46c47cf31f96e48", "status": "affected", "version": "2219a935963e5eeb19e5abfb99475fcc06bbb804", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/power/supply/bq24257_charger.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.2"}, {"lessThan": "4.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.109", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "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\npower: supply: bq24257: fix use-after-free on remove\n\nThe STAT-pin interrupt is devm-managed, so it stays armed until the devm\ncleanup that runs after remove() returns. remove() cancels\nbq->iilimit_setup_work while the threaded handler can still fire; that\nhandler reschedules the work and dereferences bq, so the work runs\nagainst freed memory once devm frees bq.\n\nMake the delayed work device-managed with devm_delayed_work_autocancel(),\nregistered before the interrupt request. The devm cleanup then releases\nthe interrupt first, so the handler can no longer reschedule the work,\nand cancels the work before bq is freed. The explicit\ncancel_delayed_work_sync() in remove() is no longer needed and is dropped.\n\nFound by static analysis."}], "id": "CVE-2026-89475", "lastModified": "2026-09-11T20:19:28.807", "metrics": {}, "published": "2026-09-11T20:19:28.807", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/47ccbad210f48721c30d69d65b83dc9fff919ca9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/861ec73ce86e2ca18082cc7be4f140a5bbdf1428"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9d34c9d660c3d0931d2cc749c46c47cf31f96e48"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f495808cdd6d9576965787cf6d9737d0b0e86b73"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: Use-after-free in bq24257 power supply driver", "id": "2532090", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532090"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel. A use-after-free vulnerability exists in the `bq24257` power supply driver. This issue occurs when the STAT-pin interrupt handler attempts to reschedule work and access memory that has already been freed during the device removal process. This can lead to system instability or a denial of service (DoS)."], "name": "CVE-2026-89475", "package_state": [{"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-11T19:43:32Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-89475\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-89475\nhttps://git.kernel.org/stable/c/47ccbad210f48721c30d69d65b83dc9fff919ca9\nhttps://git.kernel.org/stable/c/861ec73ce86e2ca18082cc7be4f140a5bbdf1428\nhttps://git.kernel.org/stable/c/9d34c9d660c3d0931d2cc749c46c47cf31f96e48\nhttps://git.kernel.org/stable/c/f495808cdd6d9576965787cf6d9737d0b0e86b73"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2219a935963e5eeb19e5abfb99475fcc06bbb804,861ec73ce86e2ca18082cc7be4f140a5bbdf1428)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2219a935963e5eeb19e5abfb99475fcc06bbb804,f495808cdd6d9576965787cf6d9737d0b0e86b73)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2219a935963e5eeb19e5abfb99475fcc06bbb804,47ccbad210f48721c30d69d65b83dc9fff919ca9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[2219a935963e5eeb19e5abfb99475fcc06bbb804,9d34c9d660c3d0931d2cc749c46c47cf31f96e48)"}}], "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": "generic", "value": "4.2"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.109,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.50,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.4,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*)"}}], "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": "2026-09-12T13:45:14.874785+00:00", "updated": "2026-09-12T19:45:06.348921+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}