{"id":"CVE-2021-47470","state":"PUBLISHED","title":"mm, slub: fix potential use-after-free in slab_debugfs_fops","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm, slub: fix potential use-after-free in slab_debugfs_fops\n\nWhen sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s\nbecause s will be freed soon.  And slab_debugfs_fops will use s later\nleading to a use-after-free.","publishedAt":"2024-05-22T06:23:28.263Z","updatedAt":"2026-05-11T13:55:19.579Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"64dd68497be76ab4e237cca06f5324e220d0f050","status":"affected","lessThan":"159d8cfbd0428d487c53be4722f33cdab0d25d83","versionType":"git"},{"version":"64dd68497be76ab4e237cca06f5324e220d0f050","status":"affected","lessThan":"67823a544414def2a36c212abadb55b23bcda00c","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":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","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/159d8cfbd0428d487c53be4722f33cdab0d25d83","https://git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47470.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47470","state":"PUBLISHED","datePublished":"2024-05-22T06:23:28.263Z","dateUpdated":"2026-05-11T13:55:19.579Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-22T06:20:56.199Z"},"containers":{"cna":{"title":"mm, slub: fix potential use-after-free in slab_debugfs_fops","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm, slub: fix potential use-after-free in slab_debugfs_fops\n\nWhen sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s\nbecause s will be freed soon.  And slab_debugfs_fops will use s later\nleading to a use-after-free."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"64dd68497be76ab4e237cca06f5324e220d0f050","status":"affected","lessThan":"159d8cfbd0428d487c53be4722f33cdab0d25d83","versionType":"git"},{"version":"64dd68497be76ab4e237cca06f5324e220d0f050","status":"affected","lessThan":"67823a544414def2a36c212abadb55b23bcda00c","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":"5.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.14","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":[{"url":"https://git.kernel.org/stable/c/159d8cfbd0428d487c53be4722f33cdab0d25d83"},{"url":"https://git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T13:55:19.579Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.14.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.15"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/159d8cfbd0428d487c53be4722f33cdab0d25d83","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/67823a544414def2a36c212abadb55b23bcda00c","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T05:39:59.395Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47470","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:36:05.363526Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-11T17:32:53.419Z"}}]}}}