{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47137","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-04T18:12:48.841Z","datePublished":"2024-03-25T09:07:36.778Z","dateUpdated":"2025-05-04T07:04:51.760Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:04:51.760Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lantiq: fix memory corruption in RX ring\n\nIn a situation where memory allocation or dma mapping fails, an\ninvalid address is programmed into the descriptor. This can lead\nto memory corruption. If the memory allocation fails, DMA should\nreuse the previous skb and mapping and drop the packet. This patch\nalso increments rx drop counter."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/lantiq_xrx200.c"],"versions":[{"version":"fe1a56420cf2ec28c8eceef672b87de0bbe1a260","lessThan":"8bb1077448d43a871ed667520763e3b9f9b7975d","status":"affected","versionType":"git"},{"version":"fe1a56420cf2ec28c8eceef672b87de0bbe1a260","lessThan":"5ac72351655f8b033a2935646f53b7465c903418","status":"affected","versionType":"git"},{"version":"fe1a56420cf2ec28c8eceef672b87de0bbe1a260","lessThan":"46dd4abced3cb2c912916f4a5353e0927db0c4a2","status":"affected","versionType":"git"},{"version":"fe1a56420cf2ec28c8eceef672b87de0bbe1a260","lessThan":"c7718ee96dbc2f9c5fc3b578abdf296dd44b9c20","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/net/ethernet/lantiq_xrx200.c"],"versions":[{"version":"4.20","status":"affected"},{"version":"0","lessThan":"4.20","status":"unaffected","versionType":"semver"},{"version":"5.4.124","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.42","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.12.9","lessThanOrEqual":"5.12.*","status":"unaffected","versionType":"semver"},{"version":"5.13","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":"4.20","versionEndExcluding":"5.4.124"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.10.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.12.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8bb1077448d43a871ed667520763e3b9f9b7975d"},{"url":"https://git.kernel.org/stable/c/5ac72351655f8b033a2935646f53b7465c903418"},{"url":"https://git.kernel.org/stable/c/46dd4abced3cb2c912916f4a5353e0927db0c4a2"},{"url":"https://git.kernel.org/stable/c/c7718ee96dbc2f9c5fc3b578abdf296dd44b9c20"}],"title":"net: lantiq: fix memory corruption in RX ring","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-770","lang":"en","description":"CWE-770 Allocation of Resources Without Limits or Throttling"}]}],"affected":[{"vendor":"linux","product":"linux_kernel","cpes":["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"version":"fe1a56420cf2","status":"affected","lessThan":"8bb1077448d4","versionType":"git"},{"version":"fe1a56420cf2","status":"affected","lessThan":"5ac72351655f","versionType":"git"},{"version":"fe1a56420cf2","status":"affected","lessThan":"46dd4abced3c","versionType":"git"},{"version":"fe1a56420cf2","status":"affected","lessThan":"c7718ee96dbc","versionType":"git"},{"version":"4.20","status":"affected"},{"version":"0","status":"affected","lessThanOrEqual":"4.20","versionType":"semver"},{"version":"5.4.124","status":"affected","lessThanOrEqual":"5.4*","versionType":"semver"},{"version":"5.10.42","status":"affected","lessThanOrEqual":"5.10*","versionType":"semver"},{"version":"5.12.9","status":"affected","lessThanOrEqual":"5.12*","versionType":"semver"},{"version":"5.13","status":"affected","lessThanOrEqual":"*","versionType":"semver"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-03-25T17:15:32.931685Z","id":"CVE-2021-47137","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-11-05T16:22:44.933Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:24:39.977Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/8bb1077448d43a871ed667520763e3b9f9b7975d","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/5ac72351655f8b033a2935646f53b7465c903418","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/46dd4abced3cb2c912916f4a5353e0927db0c4a2","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/c7718ee96dbc2f9c5fc3b578abdf296dd44b9c20","tags":["x_transferred"]}]}]}}