{"id":"CVE-2021-47009","state":"PUBLISHED","title":"KEYS: trusted: Fix memory leak on object td","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: trusted: Fix memory leak on object td\n\nTwo error return paths are neglecting to free allocated object td,\ncausing a memory leak. Fix this by returning via the error return\npath that securely kfree's td.\n\nFixes clang scan-build warning:\nsecurity/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential\nmemory leak [unix.Malloc]","publishedAt":"2024-02-28T08:13:28.439Z","updatedAt":"2026-05-23T15:19:01.571Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9d83cc1a1e7f494aedee2aa108e801d11525fccf","status":"affected","lessThan":"31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8","versionType":"git"},{"version":"8cfc8d62942105e5df4a20a15b24da077a6b24ef","status":"affected","lessThan":"1c4031014106aff48e1e686e40101c31eab5d44c","versionType":"git"},{"version":"5df16caada3fba3b21cb09b85cdedf99507f4ec1","status":"affected","lessThan":"3e24fbd37e72e8a67b74991970fecc82d14f57af","versionType":"git"},{"version":"5df16caada3fba3b21cb09b85cdedf99507f4ec1","status":"affected","lessThan":"83a775d5f9bfda95b1c295f95a3a041a40c7f321","versionType":"git"},{"version":"5.10.20","status":"affected","lessThan":"5.10.38","versionType":"semver"},{"version":"5.11.3","status":"affected","lessThan":"5.11.22","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/keys/trusted-keys/trusted_tpm1.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.10.38","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.11.22","status":"unaffected","lessThanOrEqual":"5.11.*","versionType":"semver"},{"version":"5.12.5","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["security/keys/trusted-keys/trusted_tpm1.c"]}],"references":["https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8","https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c","https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af","https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47009.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47009","state":"PUBLISHED","datePublished":"2024-02-28T08:13:28.439Z","dateUpdated":"2026-05-23T15:19:01.571Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-27T18:42:55.952Z"},"containers":{"cna":{"title":"KEYS: trusted: Fix memory leak on object td","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: trusted: Fix memory leak on object td\n\nTwo error return paths are neglecting to free allocated object td,\ncausing a memory leak. 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