{"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":"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":"https://git.kernel.org/stable/c/071bdef36391958c89af5fa2172f691b31baa212","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/2bde4aca56db9fe25405d39ddb062531493a65db","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/50cb95487c265187289810addec5093d4fed8329","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/291c932fc3692e4d211a445ba8aa35663831bac7","tags":["x_transferred"]}]}]}}