{"id":"CVE-2023-52681","state":"PUBLISHED","title":"efivarfs: Free s_fs_info on unmount","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nefivarfs: Free s_fs_info on unmount\n\nNow that we allocate a s_fs_info struct on fs context creation, we\nshould ensure that we free it again when the superblock goes away.","publishedAt":"2024-05-17T14:24:44.687Z","updatedAt":"2026-05-11T19:31:36.826Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5329aa5101f73c451bcd48deaf3f296685849d9c","status":"affected","lessThan":"92be3095c6ca1cdc46237839c6087555be9160e3","versionType":"git"},{"version":"5329aa5101f73c451bcd48deaf3f296685849d9c","status":"affected","lessThan":"547713d502f7b4b8efccd409cff84d731a23853b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/efivarfs/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.7.2","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/efivarfs/super.c"]}],"references":["https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3","https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b","https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03","https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52681.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52681","state":"PUBLISHED","datePublished":"2024-05-17T14:24:44.687Z","dateUpdated":"2026-05-11T19:31:36.826Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-03-07T14:49:46.887Z"},"containers":{"cna":{"title":"efivarfs: Free s_fs_info on unmount","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nefivarfs: Free s_fs_info on unmount\n\nNow that we allocate a s_fs_info struct on fs context creation, we\nshould ensure that we free it again when the superblock goes away."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5329aa5101f73c451bcd48deaf3f296685849d9c","status":"affected","lessThan":"92be3095c6ca1cdc46237839c6087555be9160e3","versionType":"git"},{"version":"5329aa5101f73c451bcd48deaf3f296685849d9c","status":"affected","lessThan":"547713d502f7b4b8efccd409cff84d731a23853b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/efivarfs/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.7.2","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/efivarfs/super.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3"},{"url":"https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:31:36.826Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.7.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/ea6b597fcaca99562fa56a473bcbbbd79b40af03","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/48be1364dd387e375e1274b76af986cb8747be2c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/92be3095c6ca1cdc46237839c6087555be9160e3","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/547713d502f7b4b8efccd409cff84d731a23853b","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T23:11:35.411Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-52681","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:42:06.026593Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-11T17:32:50.371Z"}}]}}}