{"id":"CVE-2024-49968","revision":"c47be308b3ee4c30b502ea3455d9c3e1","records":[{"revision":"c47be308b3ee4c30b502ea3455d9c3e1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-49968","aliases":[],"title":"ext4: filesystems without casefold feature cannot be mounted with siphash","description":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: filesystems without casefold feature cannot be mounted with siphash\n\nWhen mounting the ext4 filesystem, if the default hash version is set to\nDX_HASH_SIPHASH but the casefold feature is not set, exit the mounting.","state":0,"publishedAt":"2024-10-21T18:02:18.369+00:00","modifiedAt":"2026-10-15T00:55:11.032+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/ext4/super.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"471fbbea7ff7061b2d6474665cb5a2ceb4fd6500\",\n                            \"lessThan\": \"86b81d4eab1cd4c56f7447896232cf33472c2395\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"471fbbea7ff7061b2d6474665cb5a2ceb4fd6500\",\n                            \"lessThan\": \"11bd1c279bac701ba91119875796ffff3b98250e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"471fbbea7ff7061b2d6474665cb5a2ceb4fd6500\",\n                            \"lessThan\": \"52c4538a92da6f3242d4140c03ddc5ee71b39ba8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"471fbbea7ff7061b2d6474665cb5a2ceb4fd6500\",\n                            \"lessThan\": \"e1373903db6c4ac994de0d18076280ad88e12dee\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"471fbbea7ff7061b2d6474665cb5a2ceb4fd6500\",\n                            \"lessThan\": \"985b67cd86392310d9e9326de941c22fc9340eec\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"fs/ext4/super.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.13\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.13\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.198\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.160\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.120\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.11.3\",\n                            \"lessThanOrEqual\": \"6.11.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/86b81d4eab1cd4c56f7447896232cf33472c2395","https://git.kernel.org/stable/c/11bd1c279bac701ba91119875796ffff3b98250e","https://git.kernel.org/stable/c/52c4538a92da6f3242d4140c03ddc5ee71b39ba8","https://git.kernel.org/stable/c/e1373903db6c4ac994de0d18076280ad88e12dee","https://git.kernel.org/stable/c/985b67cd86392310d9e9326de941c22fc9340eec"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-49968","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-49968","identifiers":["CVE-2024-49968"]},"retained":false,"historicalAffected":[]}],"coverage":[]}