{"id":"CVE-2021-47417","state":"PUBLISHED","title":"libbpf: Fix memory leak in strset","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nlibbpf: Fix memory leak in strset\n\nFree struct strset itself, not just its internal parts.","publishedAt":"2024-05-21T15:04:06.683Z","updatedAt":"2026-05-11T13:54:18.116Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"90d76d3ececc74bf43b2a97f178dadfa1e52be54","status":"affected","lessThan":"9e8e7504e09831c469b67d6dc11d9a72654bdb8c","versionType":"git"},{"version":"90d76d3ececc74bf43b2a97f178dadfa1e52be54","status":"affected","lessThan":"b0e875bac0fab3e7a7431c2eee36a8ccc0c712ac","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["tools/lib/bpf/strset.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.14.12","status":"unaffected","lessThanOrEqual":"5.14.*","versionType":"semver"},{"version":"5.15","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["tools/lib/bpf/strset.c"]}],"references":["https://git.kernel.org/stable/c/9e8e7504e09831c469b67d6dc11d9a72654bdb8c","https://git.kernel.org/stable/c/b0e875bac0fab3e7a7431c2eee36a8ccc0c712ac"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47417.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47417","state":"PUBLISHED","datePublished":"2024-05-21T15:04:06.683Z","dateUpdated":"2026-05-11T13:54:18.116Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-21T14:58:30.818Z"},"containers":{"cna":{"title":"libbpf: Fix memory leak in strset","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nlibbpf: Fix memory leak in strset\n\nFree struct strset itself, not just its internal parts."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"90d76d3ececc74bf43b2a97f178dadfa1e52be54","status":"affected","lessThan":"9e8e7504e09831c469b67d6dc11d9a72654bdb8c","versionType":"git"},{"version":"90d76d3ececc74bf43b2a97f178dadfa1e52be54","status":"affected","lessThan":"b0e875bac0fab3e7a7431c2eee36a8ccc0c712ac","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["tools/lib/bpf/strset.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.14.12","status":"unaffected","lessThanOrEqual":"5.14.*","versionType":"semver"},{"version":"5.15","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["tools/lib/bpf/strset.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9e8e7504e09831c469b67d6dc11d9a72654bdb8c"},{"url":"https://git.kernel.org/stable/c/b0e875bac0fab3e7a7431c2eee36a8ccc0c712ac"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T13:54:18.116Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.14.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.15"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/9e8e7504e09831c469b67d6dc11d9a72654bdb8c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/b0e875bac0fab3e7a7431c2eee36a8ccc0c712ac","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T05:39:59.250Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47417","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:37:53.956444Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-11T17:33:38.930Z"}}]}}}