CVE-2026-31399

{"id": "CVE-2026-31399", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "b6eae0f61db27748606cc00dafcfd1e2c032f0a5", "lessThan": "6fc36c2a925ceaba203eb13d75a8f0879a2c121b", "versionType": "git"}, {"status": "affected", "version": "b6eae0f61db27748606cc00dafcfd1e2c032f0a5", "lessThan": "a36cf138500e56f50db9f9a33222df6969b38326", "versionType": "git"}, {"status": "affected", "version": "b6eae0f61db27748606cc00dafcfd1e2c032f0a5", "lessThan": "9a0fb16ba5b372465a3a1ecd761c6fa911a4ab4d", "versionType": "git"}, {"status": "affected", "version": "b6eae0f61db27748606cc00dafcfd1e2c032f0a5", "lessThan": "e48bf8f1d2b12c1c5ba1f609edbd4cde5dadc20e", "versionType": "git"}, {"status": "affected", "version": "b6eae0f61db27748606cc00dafcfd1e2c032f0a5", "lessThan": "2c638259ad750833fd46a0cf57672a618542d84c", "versionType": "git"}, {"status": "affected", "version": "b6eae0f61db27748606cc00dafcfd1e2c032f0a5", "lessThan": "a226e5b49e5fe8c98b14f8507de670189d191348", "versionType": "git"}, {"status": "affected", "version": "b6eae0f61db27748606cc00dafcfd1e2c032f0a5", "lessThan": "84af19855d1abdee3c9d57c0684e2868e391793c", "versionType": "git"}, {"status": "affected", "version": "b6eae0f61db27748606cc00dafcfd1e2c032f0a5", "lessThan": "a8aec14230322ed8f1e8042b6d656c1631d41163", "versionType": "git"}, {"status": "affected", "version": "8954771abdea5c34280870e35592c7226a816d95", "versionType": "git"}, {"status": "affected", "version": "3e63a7f25cc85d3d3e174b9b0e3489ebb7eaf4ab", "versionType": "git"}, {"status": "affected", "version": "1490de2bb0836fc0631c04d0559fdf81545b672f", "versionType": "git"}, {"status": "affected", "version": "e31a8418c8df7e6771414f99ed3d95ba8aca4e05", "versionType": "git"}, {"status": "affected", "version": "4f1a55a4f990016406147cf3e0c9487bf83e50f0", "versionType": "git"}, {"status": "affected", "version": "4.4.164", "lessThan": "4.5", "versionType": "semver"}, {"status": "affected", "version": "4.9.137", "lessThan": "4.10", "versionType": "semver"}, {"status": "affected", "version": "4.14.81", "lessThan": "4.15", "versionType": "semver"}, {"status": "affected", "version": "4.18.19", "lessThan": "4.19", "versionType": "semver"}, {"status": "affected", "version": "4.19.2", "lessThan": "4.20", "versionType": "semver"}], "programFiles": ["drivers/nvdimm/bus.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.20"}, {"status": "unaffected", "version": "0", "lessThan": "4.20", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.253", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.203", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.167", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.130", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.78", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.20", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.10", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/nvdimm/bus.c"], "defaultStatus": "affected"}]}], "published": "2026-04-03T16:16:38.410", "references": [{"url": "https://git.kernel.org/stable/c/2c638259ad750833fd46a0cf57672a618542d84c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6fc36c2a925ceaba203eb13d75a8f0879a2c121b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/84af19855d1abdee3c9d57c0684e2868e391793c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9a0fb16ba5b372465a3a1ecd761c6fa911a4ab4d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a226e5b49e5fe8c98b14f8507de670189d191348", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a36cf138500e56f50db9f9a33222df6969b38326", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a8aec14230322ed8f1e8042b6d656c1631d41163", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e48bf8f1d2b12c1c5ba1f609edbd4cde5dadc20e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvdimm/bus: Fix potential use after free in asynchronous initialization\n\nDingisoul with KASAN reports a use after free if device_add() fails in\nnd_async_device_register().\n\nCommit b6eae0f61db2 (\"libnvdimm: Hold reference on parent while\nscheduling async init\") correctly added a reference on the parent device\nto be held until asynchronous initialization was complete. However, if\ndevice_add() results in an allocation failure the ref count of the\ndevice drops to 0 prior to the parent pointer being accessed. Thus\nresulting in use after free.\n\nThe bug bot AI correctly identified the fix. Save a reference to the\nparent pointer to be used to drop the parent reference regardless of the\noutcome of device_add()."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nnvdimm/bus: Soluciona un posible uso despu\u00e9s de liberar en la inicializaci\u00f3n as\u00edncrona\n\nDingisoul con KASAN informa de un uso despu\u00e9s de liberar si device_add() falla en nd_async_device_register().\n\nEl commit b6eae0f61db2 ('libnvdimm: Mantener referencia en el padre mientras se programa la inicializaci\u00f3n as\u00edncrona') a\u00f1adi\u00f3 correctamente una referencia en el dispositivo padre para ser mantenida hasta que la inicializaci\u00f3n as\u00edncrona estuviera completa. Sin embargo, si device_add() resulta en un fallo de asignaci\u00f3n, el contador de referencias del dispositivo cae a 0 antes de que se acceda al puntero padre. Resultando as\u00ed en un uso despu\u00e9s de liberar.\n\nLa IA del bot de errores identific\u00f3 correctamente la soluci\u00f3n. Guarda una referencia al puntero padre para ser utilizada para liberar la referencia padre independientemente del resultado de device_add()."}], "lastModified": "2026-07-24T22:10:00.140", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3F465C16-7558-45C0-8A57-E91446282ED2", "versionEndExcluding": "4.5", "versionStartIncluding": "4.4.164"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "37605FCB-BF78-48D6-8838-00E69121C271", "versionEndExcluding": "4.10", "versionStartIncluding": "4.9.137"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0E3D2C10-16F9-4F31-94C6-EBE99C89FF70", "versionEndExcluding": "4.15", "versionStartIncluding": "4.14.81"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9D418973-A1B7-4F79-B990-AFFA8B41983C", "versionEndExcluding": "4.19", "versionStartIncluding": "4.18.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "38D904CC-7C9A-4A9A-9A82-96FD6C821BB3", "versionEndExcluding": "5.10.253", "versionStartIncluding": "4.19.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20DDB3E9-AABF-4107-ADB0-5362AA067045", "versionEndExcluding": "5.15.203", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2EDC6BAF-B710-4E26-B6AA-D68922EE7B43", "versionEndExcluding": "6.1.167", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C57BB918-DF28-46B3-94F7-144176841267", "versionEndExcluding": "6.6.130", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "28D591F5-B196-4CC9-905C-DC80F116E7A8", "versionEndExcluding": "6.12.78", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E5571059-6552-48E7-9BEF-3E358C387171", "versionEndExcluding": "6.18.20", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "96D34333-38BE-4414-9E79-6EB764329581", "versionEndExcluding": "6.19.10", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "02259FDA-961B-47BC-AE7F-93D7EC6E90C2"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}