{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47443", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T14:58:30.832Z", "datePublished": "2024-05-22T06:19:36.889Z", "dateUpdated": "2026-05-11T13:54:48.249Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:54:48.249Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: digital: fix possible memory leak in digital_tg_listen_mdaa()\n\n'params' is allocated in digital_tg_listen_mdaa(), but not free when\ndigital_send_cmd() failed, which will cause memory leak. Fix it by\nfreeing 'params' if digital_send_cmd() return failed." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/nfc/digital_core.c" ], "versions": [ { "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8", "lessThan": "429054ec51e648d241a7e0b465cf44f6633334c5", "status": "affected", "versionType": "git" }, { "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8", "lessThan": "a67d47e32c91e2b10402cb8c081774cbf08edb2e", "status": "affected", "versionType": "git" }, { "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8", "lessThan": "b7b023e6ff567e991c31cd425b0e1d16779c938b", "status": "affected", "versionType": "git" }, { "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8", "lessThan": "9881b0c860649f27ef2565deef011e516390f416", "status": "affected", "versionType": "git" }, { "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8", "lessThan": "7ab488d7228a9dceb2456867f1f0919decf6efed", "status": "affected", "versionType": "git" }, { "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8", "lessThan": "3f2960b39f22e26cf8addae93c3f5884d1c183c9", "status": "affected", "versionType": "git" }, { "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8", "lessThan": "564249219e5b5673a8416b5181875d828c3f1e8c", "status": "affected", "versionType": "git" }, { "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8", "lessThan": "58e7dcc9ca29c14e44267a4d0ea61e3229124907", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/nfc/digital_core.c" ], "versions": [ { "version": "3.13", "status": "affected" }, { "version": "0", "lessThan": "3.13", "status": "unaffected", "versionType": "semver" }, { "version": "4.4.290", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.288", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.252", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.213", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.155", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.75", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.14.14", "lessThanOrEqual": "5.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15", "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": "3.13", "versionEndExcluding": 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