CVE-2026-31732

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31732", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.137Z", "datePublished": "2026-05-01T14:14:30.844Z", "dateUpdated": "2026-07-04T11:50:32.706Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-04T11:50:32.706Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: Fix resource leaks on errors in gpiochip_add_data_with_key()\n\nSince commit aab5c6f20023 (\"gpio: set device type for GPIO chips\"),\n`gdev->dev.release` is unset. As a result, the reference count to\n`gdev->dev` isn't dropped on the error handling paths.\n\nDrop the reference on errors.\n\nAlso reorder the instructions to make the error handling simpler.\nNow gpiochip_add_data_with_key() roughly looks like:\n\n >>> Some memory allocation. Go to ERR ZONE 1 on errors.\n >>> device_initialize().\n\n gpiodev_release() takes over the responsibility for freeing the\n resources of `gdev->dev`. The subsequent error handling paths\n shouldn't go through ERR ZONE 1 again which leads to double free.\n\n >>> Some initialization mainly on `gdev`.\n >>> The rest of initialization. Go to ERR ZONE 2 on errors.\n >>> Chip registration success and exit.\n\n >>> ERR ZONE 2. gpio_device_put() and exit.\n >>> ERR ZONE 1."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpio/gpiolib.c"], "versions": [{"version": "aab5c6f200238ac45001bec3d5494fff8438a8dc", "lessThan": "a500e1837c4266ddb05b39b3e1cc71f49a43ffa5", "status": "affected", "versionType": "git"}, {"version": "aab5c6f200238ac45001bec3d5494fff8438a8dc", "lessThan": "f0cf9c7b7c281956cc0dec163132cd96f76e1d60", "status": "affected", "versionType": "git"}, {"version": "aab5c6f200238ac45001bec3d5494fff8438a8dc", "lessThan": "fb4584d2b324c522404c733c65840a1a6519ada8", "status": "affected", "versionType": "git"}, {"version": "aab5c6f200238ac45001bec3d5494fff8438a8dc", "lessThan": "16fdabe143fce2cbf89139677728e17e21b46c28", "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/gpio/gpiolib.c"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.95", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.22", "lessThanOrEqual": "6.18.*", "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": "6.9", "versionEndExcluding": "6.12.95"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.18.22"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.19.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a500e1837c4266ddb05b39b3e1cc71f49a43ffa5"}, {"url": "https://git.kernel.org/stable/c/f0cf9c7b7c281956cc0dec163132cd96f76e1d60"}, {"url": "https://git.kernel.org/stable/c/fb4584d2b324c522404c733c65840a1a6519ada8"}, {"url": "https://git.kernel.org/stable/c/16fdabe143fce2cbf89139677728e17e21b46c28"}], "title": "gpio: Fix resource leaks on errors in gpiochip_add_data_with_key()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpio/gpiolib.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a500e1837c4266ddb05b39b3e1cc71f49a43ffa5", "status": "affected", "version": "aab5c6f200238ac45001bec3d5494fff8438a8dc", "versionType": "git"}, {"lessThan": "f0cf9c7b7c281956cc0dec163132cd96f76e1d60", "status": "affected", "version": "aab5c6f200238ac45001bec3d5494fff8438a8dc", "versionType": "git"}, {"lessThan": "fb4584d2b324c522404c733c65840a1a6519ada8", "status": "affected", "version": "aab5c6f200238ac45001bec3d5494fff8438a8dc", "versionType": "git"}, {"lessThan": "16fdabe143fce2cbf89139677728e17e21b46c28", "status": "affected", "version": "aab5c6f200238ac45001bec3d5494fff8438a8dc", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpio/gpiolib.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.9"}, {"lessThan": "6.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.95", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.22", "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": "21ACBF2B-16E4-4D78-AB62-463FB9D3152C", "versionEndExcluding": "6.18.22", "versionStartIncluding": "6.9", "vulnerable": true}, {"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}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: Fix resource leaks on errors in gpiochip_add_data_with_key()\n\nSince commit aab5c6f20023 (\"gpio: set device type for GPIO chips\"),\n`gdev->dev.release` is unset. As a result, the reference count to\n`gdev->dev` isn't dropped on the error handling paths.\n\nDrop the reference on errors.\n\nAlso reorder the instructions to make the error handling simpler.\nNow gpiochip_add_data_with_key() roughly looks like:\n\n >>> Some memory allocation. Go to ERR ZONE 1 on errors.\n >>> device_initialize().\n\n gpiodev_release() takes over the responsibility for freeing the\n resources of `gdev->dev`. The subsequent error handling paths\n shouldn't go through ERR ZONE 1 again which leads to double free.\n\n >>> Some initialization mainly on `gdev`.\n >>> The rest of initialization. Go to ERR ZONE 2 on errors.\n >>> Chip registration success and exit.\n\n >>> ERR ZONE 2. gpio_device_put() and exit.\n >>> ERR ZONE 1."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ngpio: Corrige fugas de recursos en errores en gpiochip_add_data_with_key()\n\nDesde el commit aab5c6f20023 (\u2019gpio: establece el tipo de dispositivo para chips GPIO\u2019),\n\u2019gdev -> dev.release\u2019 no est\u00e1 establecido. Como resultado, el recuento de referencias a\n\u2019gdev -> dev\u2019 no se libera en las rutas de manejo de errores.\n\nLibera la referencia en errores.\n\nTambi\u00e9n reordena las instrucciones para simplificar el manejo de errores.\nAhora gpiochip_add_data_with_key() se ve aproximadamente as\u00ed:\n\n >>> Alguna asignaci\u00f3n de memoria. Ir a ZONA DE ERROR 1 en errores.\n >>> device_initialize().\n\n gpiodev_release() asume la responsabilidad de liberar los\n recursos de \u2019gdev -> dev\u2019. Las rutas de manejo de errores subsiguientes\n no deber\u00edan pasar por ZONA DE ERROR 1 de nuevo, lo que lleva a una doble liberaci\u00f3n.\n\n >>> Alguna inicializaci\u00f3n principalmente en \u2019gdev\u2019.\n >>> El resto de la inicializaci\u00f3n. Ir a ZONA DE ERROR 2 en errores.\n >>> Registro del chip exitoso y salida.\n\n >>> ZONA DE ERROR 2. gpio_device_put() y salida.\n >>> ZONA DE ERROR 1."}], "id": "CVE-2026-31732", "lastModified": "2026-11-11T21:10:00.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-01T15:16:35.807", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/16fdabe143fce2cbf89139677728e17e21b46c28"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a500e1837c4266ddb05b39b3e1cc71f49a43ffa5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f0cf9c7b7c281956cc0dec163132cd96f76e1d60"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fb4584d2b324c522404c733c65840a1a6519ada8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: gpio: Fix resource leaks on errors in gpiochip_add_data_with_key()", "id": "2464410", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464410"}, "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-911", "details": ["A flaw was found in the Linux kernel's General Purpose Input/Output (GPIO) subsystem. Due to an unset release function in the device structure, a resource leak occurs when errors are encountered in the gpiochip_add_data_with_key() function. This can lead to the gradual exhaustion of system resources, potentially resulting in a Denial of Service (DoS) condition."], "name": "CVE-2026-31732", "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": "Out of support scope", "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-2026-31732\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31732\nhttps://lore.kernel.org/linux-cve-announce/2026050137-CVE-2026-31732-c3a5@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aab5c6f200238ac45001bec3d5494fff8438a8dc,f0cf9c7b7c281956cc0dec163132cd96f76e1d60)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aab5c6f200238ac45001bec3d5494fff8438a8dc,fb4584d2b324c522404c733c65840a1a6519ada8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[aab5c6f200238ac45001bec3d5494fff8438a8dc,16fdabe143fce2cbf89139677728e17e21b46c28)"}}], "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": "6.9"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.9)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.22,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "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": "2026-05-01T17:00:10.793476+00:00", "updated": "2026-05-07T17:00:12.832641+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-401", "CWE-911"]}