{ "id": "CVE-2021-47167", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-03-25T10:15:08.720", "lastModified": "2025-03-17T15:03:30.547", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Fix an Oopsable condition in __nfs_pageio_add_request()\n\nEnsure that nfs_pageio_error_cleanup() resets the mirror array contents,\nso that the structure reflects the fact that it is now empty.\nAlso change the test in nfs_pageio_do_add_request() to be more robust by\nchecking whether or not the list is empty rather than relying on the\nvalue of pg_count." }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: NFS: corrija una condici\u00f3n de Oopsable en __nfs_pageio_add_request() Aseg\u00farese de que nfs_pageio_error_cleanup() restablezca el contenido de la matriz reflejada, de modo que la estructura refleje el hecho de que ahora est\u00e1 vac\u00eda. Tambi\u00e9n cambie la prueba en nfs_pageio_do_add_request() para que sea m\u00e1s s\u00f3lida verificando si la lista est\u00e1 vac\u00eda o no en lugar de confiar en el valor de pg_count." } ], "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": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "5.4.124", "matchCriteriaId": "BFF1059E-D511-4B6A-A7BE-17F5E29378F2" }, { "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/15ac6f14787649e8ebd75c142e2c5d2a243c8490", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/1fc5f4eb9d31268ac3ce152d74ad5501ad24ca3e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/56517ab958b7c11030e626250c00b9b1a24b41eb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/ee21cd3aa8548e0cbc8c67a80b62113aedd2d101", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/15ac6f14787649e8ebd75c142e2c5d2a243c8490", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/1fc5f4eb9d31268ac3ce152d74ad5501ad24ca3e", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/56517ab958b7c11030e626250c00b9b1a24b41eb", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/ee21cd3aa8548e0cbc8c67a80b62113aedd2d101", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] } ] }