Show plain JSON{"dataType": "CVE_RECORD", "dataVersion": "5.1", "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": "2025-05-04T07:10:57.734Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:10:57.734Z"}, "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": 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