{"id":"CVE-2024-47700","state":"PUBLISHED","title":"ext4: check stripe size compatibility on remount as well","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: check stripe size compatibility on remount as well\n\nWe disable stripe size in __ext4_fill_super if it is not a multiple of\nthe cluster ratio however this check is missed when trying to remount.\nThis can leave us with cases where stripe < cluster_ratio after\nremount:set making EXT4_B2C(sbi->s_stripe) become 0 that can cause some\nunforeseen bugs like divide by 0.\n\nFix that by adding the check in remount path as well.","publishedAt":"2024-10-21T11:53:36.611Z","updatedAt":"2026-05-11T20:39:05.805Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c3defd99d58cbdd132bd197714e5523dac976b66","status":"affected","lessThan":"faeff8b1ee2eaa5969c8e994d66c3337298cefed","versionType":"git"},{"version":"c3defd99d58cbdd132bd197714e5523dac976b66","status":"affected","lessThan":"297615e992bbb30a55c158141086be6505d5d722","versionType":"git"},{"version":"c3defd99d58cbdd132bd197714e5523dac976b66","status":"affected","lessThan":"a31b712f75445d52fc0451dc54fd7b16a552cb7c","versionType":"git"},{"version":"c3defd99d58cbdd132bd197714e5523dac976b66","status":"affected","lessThan":"ee85e0938aa8f9846d21e4d302c3cf6a2a75110d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.54","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.13","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.2","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/super.c"]}],"references":["https://git.kernel.org/stable/c/faeff8b1ee2eaa5969c8e994d66c3337298cefed","https://git.kernel.org/stable/c/297615e992bbb30a55c158141086be6505d5d722","https://git.kernel.org/stable/c/a31b712f75445d52fc0451dc54fd7b16a552cb7c","https://git.kernel.org/stable/c/ee85e0938aa8f9846d21e4d302c3cf6a2a75110d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/47xxx/CVE-2024-47700.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-47700","state":"PUBLISHED","datePublished":"2024-10-21T11:53:36.611Z","dateUpdated":"2026-05-11T20:39:05.805Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-09-30T16:00:12.945Z"},"containers":{"cna":{"title":"ext4: check stripe size compatibility on remount as well","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: check stripe size compatibility on remount as well\n\nWe disable stripe size in __ext4_fill_super if it is not a multiple of\nthe cluster ratio however this check is missed when trying to remount.\nThis can leave us with cases where stripe < cluster_ratio after\nremount:set making EXT4_B2C(sbi->s_stripe) become 0 that can cause some\nunforeseen bugs like divide by 0.\n\nFix that by adding the check in remount path as well."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c3defd99d58cbdd132bd197714e5523dac976b66","status":"affected","lessThan":"faeff8b1ee2eaa5969c8e994d66c3337298cefed","versionType":"git"},{"version":"c3defd99d58cbdd132bd197714e5523dac976b66","status":"affected","lessThan":"297615e992bbb30a55c158141086be6505d5d722","versionType":"git"},{"version":"c3defd99d58cbdd132bd197714e5523dac976b66","status":"affected","lessThan":"a31b712f75445d52fc0451dc54fd7b16a552cb7c","versionType":"git"},{"version":"c3defd99d58cbdd132bd197714e5523dac976b66","status":"affected","lessThan":"ee85e0938aa8f9846d21e4d302c3cf6a2a75110d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/super.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.54","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.13","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.2","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/super.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/faeff8b1ee2eaa5969c8e994d66c3337298cefed"},{"url":"https://git.kernel.org/stable/c/297615e992bbb30a55c158141086be6505d5d722"},{"url":"https://git.kernel.org/stable/c/a31b712f75445d52fc0451dc54fd7b16a552cb7c"},{"url":"https://git.kernel.org/stable/c/ee85e0938aa8f9846d21e4d302c3cf6a2a75110d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:39:05.805Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.6.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.10.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.11.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-47700","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-21T13:04:40.991783Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-21T13:14:13.688Z"}}]}}}