CVE-2026-31745

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31745", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.138Z", "datePublished": "2026-05-01T14:14:39.529Z", "dateUpdated": "2026-05-11T22:14:56.434Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:14:56.434Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nreset: gpio: fix double free in reset_add_gpio_aux_device() error path\n\nWhen __auxiliary_device_add() fails, reset_add_gpio_aux_device()\ncalls auxiliary_device_uninit(adev).\n\nThe device release callback reset_gpio_aux_device_release() frees\nadev, but the current error path then calls kfree(adev) again,\ncausing a double free.\n\nKeep kfree(adev) for the auxiliary_device_init() failure path, but\navoid freeing adev after auxiliary_device_uninit()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/reset/core.c"], "versions": [{"version": "5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8", "lessThan": "1de465753220deb41569cf2add87bbb0673731db", "status": "affected", "versionType": "git"}, {"version": "5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8", "lessThan": "fbffb8c7c7bb4d38e9f65e0bee446685011de5d8", "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/reset/core.c"], "versions": [{"version": "6.19", "status": "affected"}, {"version": "0", "lessThan": "6.19", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.12", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.19", "versionEndExcluding": "6.19.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1de465753220deb41569cf2add87bbb0673731db"}, {"url": "https://git.kernel.org/stable/c/fbffb8c7c7bb4d38e9f65e0bee446685011de5d8"}], "title": "reset: gpio: fix double free in reset_add_gpio_aux_device() error path", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/reset/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "1de465753220deb41569cf2add87bbb0673731db", "status": "affected", "version": "5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8", "versionType": "git"}, {"lessThan": "fbffb8c7c7bb4d38e9f65e0bee446685011de5d8", "status": "affected", "version": "5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/reset/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.19"}, {"lessThan": "6.19", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.12", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0A2B9540-02D5-41B4-B16A-82AF66FD4F36", "versionEndExcluding": "6.19.12", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*", "matchCriteriaId": "02259FDA-961B-47BC-AE7F-93D7EC6E90C2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*", "matchCriteriaId": "58A9FEFF-C040-420D-8F0A-BFDAAA1DF258", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*", "matchCriteriaId": "1D2315C0-D46F-4F85-9754-F9E5E11374A6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*", "matchCriteriaId": "512EE3A8-A590-4501-9A94-5D4B268D6138", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nreset: gpio: fix double free in reset_add_gpio_aux_device() error path\n\nWhen __auxiliary_device_add() fails, reset_add_gpio_aux_device()\ncalls auxiliary_device_uninit(adev).\n\nThe device release callback reset_gpio_aux_device_release() frees\nadev, but the current error path then calls kfree(adev) again,\ncausing a double free.\n\nKeep kfree(adev) for the auxiliary_device_init() failure path, but\navoid freeing adev after auxiliary_device_uninit()."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nreset: gpio: corregir doble liberaci\u00f3n en la ruta de error de reset_add_gpio_aux_device()\n\nCuando __auxiliary_device_add() falla, reset_add_gpio_aux_device() llama a auxiliary_device_uninit(adev).\n\nLa funci\u00f3n de devoluci\u00f3n de llamada de liberaci\u00f3n del dispositivo reset_gpio_aux_device_release() libera adev, pero la ruta de error actual luego llama a kfree(adev) de nuevo, causando una doble liberaci\u00f3n.\n\nMantener kfree(adev) para la ruta de fallo de auxiliary_device_init(), pero evitar liberar adev despu\u00e9s de auxiliary_device_uninit()."}], "id": "CVE-2026-31745", "lastModified": "2026-11-11T21:10:00.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-01T15:16:37.260", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1de465753220deb41569cf2add87bbb0673731db"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fbffb8c7c7bb4d38e9f65e0bee446685011de5d8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: reset: gpio: fix double free in reset_add_gpio_aux_device() error path", "id": "2464426", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464426"}, "csaw": false, "cwe": "CWE-1341", "details": ["A flaw was found in the Linux kernel. An error in the GPIO (General Purpose Input/Output) reset subsystem's error handling could lead to a double free vulnerability. This issue occurs when the system attempts to deallocate memory that has already been freed, potentially causing system instability or a denial of service (DoS)."], "name": "CVE-2026-31745", "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": "2026-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31745\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31745\nhttps://lore.kernel.org/linux-cve-announce/2026050141-CVE-2026-31745-566d@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8,1de465753220deb41569cf2add87bbb0673731db)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8,fbffb8c7c7bb4d38e9f65e0bee446685011de5d8)"}}], "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": "6.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.19.12,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "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": "2026-05-01T16:15:20.238729+00:00", "updated": "2026-05-07T22:00:12.826022+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}