{"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":"2025-12-18T11:36:54.060Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-18T11:36:54.060Z"},"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"}}]}}