{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47211", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-04-10T18:59:19.526Z", "datePublished": "2024-04-10T19:01:52.636Z", "dateUpdated": "2026-06-19T11:57:06.060Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-19T11:57:06.060Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: fix null pointer dereference on pointer cs_desc\n\nThe pointer cs_desc return from snd_usb_find_clock_source could\nbe null, so there is a potential null pointer dereference issue.\nFix this by adding a null check before dereference." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "sound/usb/clock.c" ], "versions": [ { "version": "1dc669fed61a4ec4270a89e5fb3535802cc45668", "lessThan": "3455984b16eeb6914caf8b59498ef24fcc1f0a78", "status": "affected", "versionType": "git" }, { "version": "1dc669fed61a4ec4270a89e5fb3535802cc45668", "lessThan": "58fa50de595f152900594c28ec9915c169643739", "status": "affected", "versionType": "git" }, { "version": "1dc669fed61a4ec4270a89e5fb3535802cc45668", "lessThan": "b97053df0f04747c3c1e021ecbe99db675342954", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "sound/usb/clock.c" ], "versions": [ { "version": "3.10", "status": "affected" }, { "version": "0", "lessThan": "3.10", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.259", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.5", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16", "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": "3.10", "versionEndExcluding": "5.10.259" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "5.15.5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "5.16" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/3455984b16eeb6914caf8b59498ef24fcc1f0a78" }, { "url": "https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739" }, { "url": "https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954" } ], "title": "ALSA: usb-audio: fix null pointer dereference on pointer cs_desc", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-06-21T16:04:02.891188Z", "id": "CVE-2021-47211", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-21T16:04:10.989Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:07.365Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/58fa50de595f152900594c28ec9915c169643739", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/b97053df0f04747c3c1e021ecbe99db675342954", "tags": [ "x_transferred" ] } ] } ] } }