{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47332", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T14:28:16.975Z", "datePublished": "2024-05-21T14:35:43.078Z", "dateUpdated": "2026-05-11T13:52:30.292Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:52:30.292Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usx2y: Don't call free_pages_exact() with NULL address\n\nUnlike some other functions, we can't pass NULL pointer to\nfree_pages_exact(). Add a proper NULL check for avoiding possible\nOops." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "sound/usb/usx2y/usb_stream.c" ], "versions": [ { "version": "36b8defc447627c3e91058c43941ec15d827556e", "lessThan": "88262229b778f4f7a896da828d966f94dcb35d19", "status": "affected", "versionType": "git" }, { "version": "36b8defc447627c3e91058c43941ec15d827556e", "lessThan": "7d7f30cf182e55023fa8fde4c084b2d37c6be69d", "status": "affected", "versionType": "git" }, { "version": "36b8defc447627c3e91058c43941ec15d827556e", "lessThan": "bee295f5e03510252d18b25cc1d26230256eb87a", "status": "affected", "versionType": "git" }, { "version": "36b8defc447627c3e91058c43941ec15d827556e", "lessThan": "82e5ee742fdd8874fe996181b87fafe1eb5f1196", "status": "affected", "versionType": "git" }, { "version": "36b8defc447627c3e91058c43941ec15d827556e", "lessThan": "cae0cf651adccee2c3f376e78f30fbd788d0829f", "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/usx2y/usb_stream.c" ], "versions": [ { "version": "5.2", "status": "affected" }, { "version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.134", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.52", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.19", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.13.4", "lessThanOrEqual": "5.13.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.14", "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": "5.2", "versionEndExcluding": "5.4.134" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.10.52" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.12.19" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.13.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.14" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19" }, { "url": "https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d" }, { "url": "https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a" }, { "url": "https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196" }, { "url": "https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f" } ], "title": "ALSA: usx2y: Don't call free_pages_exact() with NULL address", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:08.587Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/88262229b778f4f7a896da828d966f94dcb35d19", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/7d7f30cf182e55023fa8fde4c084b2d37c6be69d", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/bee295f5e03510252d18b25cc1d26230256eb87a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/82e5ee742fdd8874fe996181b87fafe1eb5f1196", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/cae0cf651adccee2c3f376e78f30fbd788d0829f", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47332", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T15:38:59.801234Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:51.334Z" } } ] } }