cve-2021-46918
Vulnerability from cvelistv5
Published
2024-02-27 06:53
Modified
2024-11-04 11:55
Severity ?
EPSS score ?
Summary
dmaengine: idxd: clear MSIX permission entry on shutdown
References
Impacted products
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Current code left the\nMSIX enabled and the pasid entries still programmed at device shutdown." } ], "providerMetadata": { "dateUpdated": "2024-11-04T11:55:51.466Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500" }, { "url": "https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997" } ], "title": "dmaengine: idxd: clear MSIX permission entry on shutdown", "x_generator": { "engine": "bippy-9e1c9544281a" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2021-46918", "datePublished": "2024-02-27T06:53:56.082Z", "dateReserved": "2024-02-25T13:45:52.719Z", "dateUpdated": "2024-11-04T11:55:51.466Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-46918\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-02-27T07:15:08.540\",\"lastModified\":\"2024-11-21T06:34:55.823\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndmaengine: idxd: clear MSIX permission entry on shutdown\\n\\nAdd disabling/clearing of MSIX permission entries on device shutdown to\\nmirror the enabling of the MSIX entries on probe. Current code left the\\nMSIX enabled and the pasid entries still programmed at device shutdown.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: dmaengine: idxd: borrar entrada de permiso MSIX al apagar Agregue la desactivaci\u00f3n/borrado de entradas de permiso MSIX al apagar el dispositivo para reflejar la habilitaci\u00f3n de las entradas MSIX en la sonda. El c\u00f3digo actual dej\u00f3 el MSIX habilitado y las entradas pasivas a\u00fan programadas al apagar el dispositivo.\"}],\"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\":\"5.11.0\",\"versionEndExcluding\":\"5.11.16\",\"matchCriteriaId\":\"3C5242B9-B5BD-4578-AD66-69DF59D54A14\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}" } }
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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.