{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "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": "2026-05-11T13:48:45.961Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:48:45.961Z" }, "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" ] } ] } ] } }