{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47159","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-25T09:12:14.109Z","datePublished":"2024-03-25T09:16:13.815Z","dateUpdated":"2025-05-04T07:05:17.593Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:05:17.593Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: fix a crash if ->get_sset_count() fails\n\nIf ds->ops->get_sset_count() fails then it \"count\" is a negative error\ncode such as -EOPNOTSUPP.  Because \"i\" is an unsigned int, the negative\nerror code is type promoted to a very high value and the loop will\ncorrupt memory until the system crashes.\n\nFix this by checking for error codes and changing the type of \"i\" to\njust int."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/dsa/master.c"],"versions":[{"version":"badf3ada60ab8f76f9488dc8f5c0c57f70682f5a","lessThan":"0f2cb08c57edefb0e7b5045e0e3e9980a3d3aa37","status":"affected","versionType":"git"},{"version":"badf3ada60ab8f76f9488dc8f5c0c57f70682f5a","lessThan":"ce5355f140a7987011388c7e30c4f8fbe180d3e8","status":"affected","versionType":"git"},{"version":"badf3ada60ab8f76f9488dc8f5c0c57f70682f5a","lessThan":"caff86f85512b8e0d9830e8b8b0dfe13c68ce5b6","status":"affected","versionType":"git"},{"version":"badf3ada60ab8f76f9488dc8f5c0c57f70682f5a","lessThan":"7b22466648a4f8e3e94f57ca428d1531866d1373","status":"affected","versionType":"git"},{"version":"badf3ada60ab8f76f9488dc8f5c0c57f70682f5a","lessThan":"a269333fa5c0c8e53c92b5a28a6076a28cde3e83","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/dsa/master.c"],"versions":[{"version":"4.7","status":"affected"},{"version":"0","lessThan":"4.7","status":"unaffected","versionType":"semver"},{"version":"4.19.193","lessThanOrEqual":"4.19.*","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":"4.7","versionEndExcluding":"4.19.193"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.4.124"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.10.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.12.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0f2cb08c57edefb0e7b5045e0e3e9980a3d3aa37"},{"url":"https://git.kernel.org/stable/c/ce5355f140a7987011388c7e30c4f8fbe180d3e8"},{"url":"https://git.kernel.org/stable/c/caff86f85512b8e0d9830e8b8b0dfe13c68ce5b6"},{"url":"https://git.kernel.org/stable/c/7b22466648a4f8e3e94f57ca428d1531866d1373"},{"url":"https://git.kernel.org/stable/c/a269333fa5c0c8e53c92b5a28a6076a28cde3e83"}],"title":"net: dsa: fix a crash if ->get_sset_count() fails","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:24:39.963Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/0f2cb08c57edefb0e7b5045e0e3e9980a3d3aa37","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/ce5355f140a7987011388c7e30c4f8fbe180d3e8","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/caff86f85512b8e0d9830e8b8b0dfe13c68ce5b6","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/7b22466648a4f8e3e94f57ca428d1531866d1373","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/a269333fa5c0c8e53c92b5a28a6076a28cde3e83","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47159","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:54:44.376467Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-11T17:33:54.672Z"}}]}}