CVE-2026-64492

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64492", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.792Z", "datePublished": "2026-07-25T08:51:50.313Z", "dateUpdated": "2026-08-17T04:56:40.394Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:56:40.394Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: temperature: tmp006: use devm_iio_trigger_register\n\ntmp006_probe() allocates the DRDY trigger with devm_iio_trigger_alloc()\nbut registers it with plain iio_trigger_register(). The driver has no\n.remove() callback, so on module unload the trigger stays in the global\ntrigger list while its memory is freed by devm, leaving a dangling\nentry.\n\nSwitch to devm_iio_trigger_register() so the registration is undone in\nthe same devm scope as the allocation."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/temperature/tmp006.c"], "versions": [{"version": "91f75ccf9f032e17cde54f0c01eae2da4f067bc5", "lessThan": "a4f8491da9563ba6eb77969ac26fc7052114c476", "status": "affected", "versionType": "git"}, {"version": "91f75ccf9f032e17cde54f0c01eae2da4f067bc5", "lessThan": "d90f868f56a16e10eedc6552f48d99dff4d275b7", "status": "affected", "versionType": "git"}, {"version": "91f75ccf9f032e17cde54f0c01eae2da4f067bc5", "lessThan": "3c5eed894efd93d68d7f6a359a81ddef0e928774", "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/iio/temperature/tmp006.c"], "versions": [{"version": "6.13", "status": "affected"}, {"version": "0", "lessThan": "6.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.13", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a4f8491da9563ba6eb77969ac26fc7052114c476"}, {"url": "https://git.kernel.org/stable/c/d90f868f56a16e10eedc6552f48d99dff4d275b7"}, {"url": "https://git.kernel.org/stable/c/3c5eed894efd93d68d7f6a359a81ddef0e928774"}], "title": "iio: temperature: tmp006: use devm_iio_trigger_register", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/iio/temperature/tmp006.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a4f8491da9563ba6eb77969ac26fc7052114c476", "status": "affected", "version": "91f75ccf9f032e17cde54f0c01eae2da4f067bc5", "versionType": "git"}, {"lessThan": "d90f868f56a16e10eedc6552f48d99dff4d275b7", "status": "affected", "version": "91f75ccf9f032e17cde54f0c01eae2da4f067bc5", "versionType": "git"}, {"lessThan": "3c5eed894efd93d68d7f6a359a81ddef0e928774", "status": "affected", "version": "91f75ccf9f032e17cde54f0c01eae2da4f067bc5", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/iio/temperature/tmp006.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.13"}, {"lessThan": "6.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.39", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\niio: temperature: tmp006: use devm_iio_trigger_register\n\ntmp006_probe() allocates the DRDY trigger with devm_iio_trigger_alloc()\nbut registers it with plain iio_trigger_register(). The driver has no\n.remove() callback, so on module unload the trigger stays in the global\ntrigger list while its memory is freed by devm, leaving a dangling\nentry.\n\nSwitch to devm_iio_trigger_register() so the registration is undone in\nthe same devm scope as the allocation."}], "id": "CVE-2026-64492", "lastModified": "2026-11-03T18:15:39.353", "metrics": {}, "published": "2026-07-25T10:17:35.017", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3c5eed894efd93d68d7f6a359a81ddef0e928774"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a4f8491da9563ba6eb77969ac26fc7052114c476"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d90f868f56a16e10eedc6552f48d99dff4d275b7"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: iio: temperature: tmp006: use devm_iio_trigger_register", "id": "2507178", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507178"}, "csaw": false, "cwe": "CWE-825", "details": ["A flaw was found in the Linux kernel's `tmp006` temperature sensor driver. This vulnerability occurs because the driver incorrectly handles the registration and de-registration of a hardware trigger. When the module is unloaded, a pointer to freed memory remains active, creating a 'dangling pointer'. This can lead to system instability or potentially allow an attacker to cause a denial of service."], "name": "CVE-2026-64492", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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"}], "public_date": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64492\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64492\nhttps://lore.kernel.org/linux-cve-announce/2026072550-CVE-2026-64492-5ec8@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[91f75ccf9f032e17cde54f0c01eae2da4f067bc5,a4f8491da9563ba6eb77969ac26fc7052114c476)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[91f75ccf9f032e17cde54f0c01eae2da4f067bc5,d90f868f56a16e10eedc6552f48d99dff4d275b7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[91f75ccf9f032e17cde54f0c01eae2da4f067bc5,3c5eed894efd93d68d7f6a359a81ddef0e928774)"}}], "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": "6.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.39,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-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": "2026-07-25T21:00:13.514303+00:00", "title": "tmp006 driver improper trigger registration causes dangling trigger entry", "updated": "2026-08-02T12:30:05.799421+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}