CVE-2026-89464

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89464", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.708Z", "datePublished": "2026-09-11T19:43:25.282Z", "dateUpdated": "2026-10-19T08:47:13.492Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:47:13.492Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: twl4030_charger: cancel workers via devm\n\nbci is devm-allocated. Two workers (bci->work and bci->current_worker)\ndereference it. twl4030_bci_remove() disables charging and masks\ninterrupts. It cancels neither worker. A worker pending at remove() can\nrun after devm frees bci.\n\nThe USB transceiver comes from devm_usb_get_phy_by_node(). devm\nunregisters its notifier only after remove() returns. A cancel_work_sync()\nin remove() can then race a notifier reschedule. devm_work_autocancel()\nand devm_delayed_work_autocancel() avoid that. They cancel the workers\nduring devm release, before bci is freed.\n\nThe current_worker is registered first, since devm will cancel in\nreverse order and bci->work can reschedule current_worker.\n\n[Move comment about order into the commit message]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/power/supply/twl4030_charger.c"], "versions": [{"version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "lessThan": "9644c96ef8646c65d46caa5139a6631e29b79d6c", "status": "affected", "versionType": "git"}, {"version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "lessThan": "e9fffe10bd791082263c1678f2f6cdd6d7b487e0", "status": "affected", "versionType": "git"}, {"version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "lessThan": "c46c205bab0dfce4dd54aeb49da3f183e1fdfc63", "status": "affected", "versionType": "git"}, {"version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "lessThan": "72a2d6cd049f892853e4e2d8d8fc5e7d0244a458", "status": "affected", "versionType": "git"}, {"version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "lessThan": "a4460e89d4088cfec2da5be33e265ef1a8e780e9", "status": "affected", "versionType": "git"}, {"version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "lessThan": "b955da82db4170bdf1c784dc457287aa0c977378", "status": "affected", "versionType": "git"}, {"version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "lessThan": "6eba34732524067da2aad5ddfdfbc641ded10e9e", "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/twl4030_charger.c"], "versions": [{"version": "2.6.39", "status": "affected"}, {"version": "0", "lessThan": "2.6.39", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.221", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.188", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.157", "lessThanOrEqual": "6.6.*", "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", "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": "2.6.39", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.12.109"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.18.50"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "7.2.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9644c96ef8646c65d46caa5139a6631e29b79d6c"}, {"url": "https://git.kernel.org/stable/c/e9fffe10bd791082263c1678f2f6cdd6d7b487e0"}, {"url": "https://git.kernel.org/stable/c/c46c205bab0dfce4dd54aeb49da3f183e1fdfc63"}, {"url": "https://git.kernel.org/stable/c/72a2d6cd049f892853e4e2d8d8fc5e7d0244a458"}, {"url": "https://git.kernel.org/stable/c/a4460e89d4088cfec2da5be33e265ef1a8e780e9"}, {"url": "https://git.kernel.org/stable/c/b955da82db4170bdf1c784dc457287aa0c977378"}, {"url": "https://git.kernel.org/stable/c/6eba34732524067da2aad5ddfdfbc641ded10e9e"}], "title": "power: supply: twl4030_charger: cancel workers via devm", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/power/supply/twl4030_charger.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "9644c96ef8646c65d46caa5139a6631e29b79d6c", "status": "affected", "version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "versionType": "git"}, {"lessThan": "e9fffe10bd791082263c1678f2f6cdd6d7b487e0", "status": "affected", "version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "versionType": "git"}, {"lessThan": "c46c205bab0dfce4dd54aeb49da3f183e1fdfc63", "status": "affected", "version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "versionType": "git"}, {"lessThan": "72a2d6cd049f892853e4e2d8d8fc5e7d0244a458", "status": "affected", "version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "versionType": "git"}, {"lessThan": "a4460e89d4088cfec2da5be33e265ef1a8e780e9", "status": "affected", "version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "versionType": "git"}, {"lessThan": "b955da82db4170bdf1c784dc457287aa0c977378", "status": "affected", "version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "versionType": "git"}, {"lessThan": "6eba34732524067da2aad5ddfdfbc641ded10e9e", "status": "affected", "version": "d6ccc442b12102414c1343f0adacaa8a1aaa516c", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/power/supply/twl4030_charger.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.39"}, {"lessThan": "2.6.39", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.221", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.188", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "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", "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: twl4030_charger: cancel workers via devm\n\nbci is devm-allocated. Two workers (bci->work and bci->current_worker)\ndereference it. twl4030_bci_remove() disables charging and masks\ninterrupts. It cancels neither worker. A worker pending at remove() can\nrun after devm frees bci.\n\nThe USB transceiver comes from devm_usb_get_phy_by_node(). devm\nunregisters its notifier only after remove() returns. A cancel_work_sync()\nin remove() can then race a notifier reschedule. devm_work_autocancel()\nand devm_delayed_work_autocancel() avoid that. They cancel the workers\nduring devm release, before bci is freed.\n\nThe current_worker is registered first, since devm will cancel in\nreverse order and bci->work can reschedule current_worker.\n\n[Move comment about order into the commit message]"}], "id": "CVE-2026-89464", "lastModified": "2026-10-19T09:17:38.883", "metrics": {}, "published": "2026-09-11T20:19:27.410", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6eba34732524067da2aad5ddfdfbc641ded10e9e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/72a2d6cd049f892853e4e2d8d8fc5e7d0244a458"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9644c96ef8646c65d46caa5139a6631e29b79d6c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a4460e89d4088cfec2da5be33e265ef1a8e780e9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b955da82db4170bdf1c784dc457287aa0c977378"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c46c205bab0dfce4dd54aeb49da3f183e1fdfc63"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e9fffe10bd791082263c1678f2f6cdd6d7b487e0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel: twl4030_charger: Use-after-free vulnerability leading to denial of service", "id": "2532107", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532107"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel's `twl4030_charger` driver. When the driver's remove function is called, it fails to properly cancel pending worker tasks. This oversight allows a worker to attempt to access memory that has already been deallocated, leading to a use-after-free vulnerability. A local attacker could potentially exploit this to cause a denial of service."], "name": "CVE-2026-89464", "public_date": "2026-09-11T19:43:25Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-89464\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-89464\nhttps://git.kernel.org/stable/c/6eba34732524067da2aad5ddfdfbc641ded10e9e\nhttps://git.kernel.org/stable/c/72a2d6cd049f892853e4e2d8d8fc5e7d0244a458\nhttps://git.kernel.org/stable/c/a4460e89d4088cfec2da5be33e265ef1a8e780e9\nhttps://git.kernel.org/stable/c/b955da82db4170bdf1c784dc457287aa0c977378"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d6ccc442b12102414c1343f0adacaa8a1aaa516c,72a2d6cd049f892853e4e2d8d8fc5e7d0244a458)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d6ccc442b12102414c1343f0adacaa8a1aaa516c,a4460e89d4088cfec2da5be33e265ef1a8e780e9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d6ccc442b12102414c1343f0adacaa8a1aaa516c,b955da82db4170bdf1c784dc457287aa0c977378)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d6ccc442b12102414c1343f0adacaa8a1aaa516c,6eba34732524067da2aad5ddfdfbc641ded10e9e)"}}], "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": "2.6.39"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.39)"}}, {"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": "2026-09-12T03:00:10.894921+00:00", "updated": "2026-09-21T01:15:03.761106+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}