{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47525","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-24T15:02:54.825Z","datePublished":"2024-05-24T15:09:37.355Z","dateUpdated":"2025-05-04T07:12:51.023Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:12:51.023Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: liteuart: fix use-after-free and memleak on unbind\n\nDeregister the port when unbinding the driver to prevent it from being\nused after releasing the driver data and leaking memory allocated by\nserial core."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/liteuart.c"],"versions":[{"version":"1da81e5562fac8286567422cc56a7fbd0dc646d4","lessThan":"602824cf9aa9db8830ffe5cfb2cd54365cada4fe","status":"affected","versionType":"git"},{"version":"1da81e5562fac8286567422cc56a7fbd0dc646d4","lessThan":"05f929b395dec8957b636ff14e66b277ed022ed9","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/tty/serial/liteuart.c"],"versions":[{"version":"5.11","status":"affected"},{"version":"0","lessThan":"5.11","status":"unaffected","versionType":"semver"},{"version":"5.15.7","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":"5.11","versionEndExcluding":"5.15.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/602824cf9aa9db8830ffe5cfb2cd54365cada4fe"},{"url":"https://git.kernel.org/stable/c/05f929b395dec8957b636ff14e66b277ed022ed9"}],"title":"serial: liteuart: fix use-after-free and memleak on unbind","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47525","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-28T15:21:08.763793Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:14:59.157Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:39:59.831Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/602824cf9aa9db8830ffe5cfb2cd54365cada4fe","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/05f929b395dec8957b636ff14e66b277ed022ed9","tags":["x_transferred"]}]}]}}