{ "id": "CVE-2021-47141", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-03-25T09:15:08.790", "lastModified": "2024-12-20T13:52:15.857", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngve: Add NULL pointer checks when freeing irqs.\n\nWhen freeing notification blocks, we index priv->msix_vectors.\nIf we failed to allocate priv->msix_vectors (see abort_with_msix_vectors)\nthis could lead to a NULL pointer dereference if the driver is unloaded." }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: gve: agrega comprobaciones de puntero NULL al liberar irqs. Al liberar bloques de notificaciones, indexamos priv->msix_vectors. Si no pudimos asignar priv->msix_vectors (consulte abort_with_msix_vectors), esto podr\u00eda provocar una desreferencia del puntero NULL si el controlador est\u00e1 descargado." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.4.124", "matchCriteriaId": "DC6BF9F5-CDD7-4718-9388-18E0CB682A43" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.10.42", "matchCriteriaId": "C3E7E799-1C8A-45FB-9E07-4731996144C9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.12.9", "matchCriteriaId": "2C8A1D02-81A7-44E5-ACFD-CC6A6694F930" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*", "matchCriteriaId": "96AC23B2-D46A-49D9-8203-8E1BEDCA8532" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*", "matchCriteriaId": "DA610E30-717C-4700-9F77-A3C9244F3BFD" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/5218e919c8d06279884aa0baf76778a6817d5b93", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/5278c75266c5094d3c0958793bf12fc90300e580", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/821149ee88c206fa37e79c1868cc270518484876", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/da21a35c00ff1a1794d4f166d3b3fa8db4d0f6fb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/5218e919c8d06279884aa0baf76778a6817d5b93", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/5278c75266c5094d3c0958793bf12fc90300e580", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/821149ee88c206fa37e79c1868cc270518484876", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/da21a35c00ff1a1794d4f166d3b3fa8db4d0f6fb", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] } ] }