{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "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": "2026-05-11T13:56:20.973Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:56:20.973Z" }, "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" ] } ] } ] } }