{"id":"CVE-2024-47700","summary":"ext4: check stripe size compatibility on remount as well","details":"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 \u003c cluster_ratio after\nremount:set making EXT4_B2C(sbi-\u003es_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.","modified":"2026-04-16T00:07:24.050518628Z","published":"2024-10-21T11:53:36.611Z","related":["USN-7276-1","USN-7277-1","openSUSE-SU-2024:14500-1","openSUSE-SU-2025:14705-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47700.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/297615e992bbb30a55c158141086be6505d5d722"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a31b712f75445d52fc0451dc54fd7b16a552cb7c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ee85e0938aa8f9846d21e4d302c3cf6a2a75110d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/faeff8b1ee2eaa5969c8e994d66c3337298cefed"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47700.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-47700"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"c3defd99d58cbdd132bd197714e5523dac976b66"},{"fixed":"faeff8b1ee2eaa5969c8e994d66c3337298cefed"},{"fixed":"297615e992bbb30a55c158141086be6505d5d722"},{"fixed":"a31b712f75445d52fc0451dc54fd7b16a552cb7c"},{"fixed":"ee85e0938aa8f9846d21e4d302c3cf6a2a75110d"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-47700.json"}}],"schema_version":"1.7.5"}