{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47442", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T14:58:30.831Z", "datePublished": "2024-05-22T06:19:36.228Z", "dateUpdated": "2026-05-11T13:54:47.112Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:54:47.112Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: digital: fix possible memory leak in digital_in_send_sdd_req()\n\n'skb' is allocated in digital_in_send_sdd_req(), but not free when\ndigital_in_send_cmd() failed, which will cause memory leak. Fix it\nby freeing 'skb' if digital_in_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_technology.c" ], "versions": [ { "version": "2c66daecc4092e6049673c281b2e6f0d5e59a94c", "lessThan": "74569c78aa84f8c958f1334b465bc530906ec99a", "status": "affected", "versionType": "git" }, { "version": "2c66daecc4092e6049673c281b2e6f0d5e59a94c", "lessThan": "88c890b0b9a1fb9fcd01c61ada515e8b636c34f9", "status": "affected", "versionType": "git" }, { "version": "2c66daecc4092e6049673c281b2e6f0d5e59a94c", "lessThan": "fcce6e5255474ca33c27dda0cdf9bf5087278873", "status": "affected", "versionType": "git" }, { "version": "2c66daecc4092e6049673c281b2e6f0d5e59a94c", "lessThan": "071bdef36391958c89af5fa2172f691b31baa212", "status": "affected", "versionType": "git" }, { "version": "2c66daecc4092e6049673c281b2e6f0d5e59a94c", "lessThan": "2bde4aca56db9fe25405d39ddb062531493a65db", "status": "affected", "versionType": "git" }, { "version": "2c66daecc4092e6049673c281b2e6f0d5e59a94c", "lessThan": "50cb95487c265187289810addec5093d4fed8329", "status": "affected", "versionType": "git" }, { "version": "2c66daecc4092e6049673c281b2e6f0d5e59a94c", "lessThan": "6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86", "status": "affected", "versionType": "git" }, { "version": "2c66daecc4092e6049673c281b2e6f0d5e59a94c", "lessThan": "291c932fc3692e4d211a445ba8aa35663831bac7", "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_technology.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": "4.4.290" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "4.9.288" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "4.14.252" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "4.19.213" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "5.4.155" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "5.10.75" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "5.14.14" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "5.15" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a" }, { "url": "https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9" }, { "url": "https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873" }, { "url": "https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212" }, { "url": "https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db" }, { "url": "https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329" }, { "url": "https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86" }, { "url": "https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7" } ], "title": "NFC: digital: fix possible memory leak in digital_in_send_sdd_req()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47442", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-05-22T18:47:55.982704Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:13:27.486Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.323Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/74569c78aa84f8c958f1334b465bc530906ec99a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/88c890b0b9a1fb9fcd01c61ada515e8b636c34f9", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/fcce6e5255474ca33c27dda0cdf9bf5087278873", "tags": [ "x_transferred" ] }, { "url": 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