{"id":"CVE-2021-47466","state":"PUBLISHED","title":"mm, slub: fix potential memoryleak in kmem_cache_open()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm, slub: fix potential memoryleak in kmem_cache_open()\n\nIn error path, the random_seq of slub cache might be leaked.  Fix this\nby using __kmem_cache_release() to release all the relevant resources.","publishedAt":"2024-05-22T06:23:25.674Z","updatedAt":"2026-05-11T13:55:16.122Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"210e7a43fa905bccafa9bb5966fba1d71f33eb8b","status":"affected","lessThan":"4f5d1c29cfab5cb0ab885059818751bdef32e2bb","versionType":"git"},{"version":"210e7a43fa905bccafa9bb5966fba1d71f33eb8b","status":"affected","lessThan":"568f906340b43120abd6fcc67c37396482f85930","versionType":"git"},{"version":"210e7a43fa905bccafa9bb5966fba1d71f33eb8b","status":"affected","lessThan":"42b81946e3ac9ea0372ba16e05160dc11e02694f","versionType":"git"},{"version":"210e7a43fa905bccafa9bb5966fba1d71f33eb8b","status":"affected","lessThan":"9037c57681d25e4dcc442d940d6dbe24dd31f461","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["mm/slub.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"5.4.156","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.76","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.14.15","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":["mm/slub.c"]}],"references":["https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb","https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930","https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f","https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47466.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47466","state":"PUBLISHED","datePublished":"2024-05-22T06:23:25.674Z","dateUpdated":"2026-05-11T13:55:16.122Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-22T06:20:56.198Z"},"containers":{"cna":{"title":"mm, slub: fix potential memoryleak in kmem_cache_open()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm, slub: fix potential memoryleak in kmem_cache_open()\n\nIn error path, the random_seq of slub cache might be leaked.  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