{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-42304","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-07-30T07:40:12.272Z","datePublished":"2024-08-17T09:09:10.545Z","dateUpdated":"2025-11-03T22:04:09.091Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T12:58:00.209Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: make sure the first directory block is not a hole\n\nThe syzbot constructs a directory that has no dirblock but is non-inline,\ni.e. the first directory block is a hole. And no errors are reported when\ncreating files in this directory in the following flow.\n\n    ext4_mknod\n     ...\n      ext4_add_entry\n        // Read block 0\n        ext4_read_dirblock(dir, block, DIRENT)\n          bh = ext4_bread(NULL, inode, block, 0)\n          if (!bh && (type == INDEX || type == DIRENT_HTREE))\n          // The first directory block is a hole\n          // But type == DIRENT, so no error is reported.\n\nAfter that, we get a directory block without '.' and '..' but with a valid\ndentry. This may cause some code that relies on dot or dotdot (such as\nmake_indexed_dir()) to crash.\n\nTherefore when ext4_read_dirblock() finds that the first directory block\nis a hole report that the filesystem is corrupted and return an error to\navoid loading corrupted data from disk causing something bad."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/namei.c"],"versions":[{"version":"3a17ca864baffc0c6f6e8aad525aa4365775a193","lessThan":"d81d7e347d1f1f48a5634607d39eb90c161c8afe","status":"affected","versionType":"git"},{"version":"4e19d6b65fb4fc42e352ce9883649e049da14743","lessThan":"e02f9941e8c011aa3eafa799def6a134ce06bcfa","status":"affected","versionType":"git"},{"version":"4e19d6b65fb4fc42e352ce9883649e049da14743","lessThan":"de2a011a13a46468a6e8259db58b1b62071fe136","status":"affected","versionType":"git"},{"version":"4e19d6b65fb4fc42e352ce9883649e049da14743","lessThan":"9771e3d8365ae1dd5e8846a204cb9af14e3e656a","status":"affected","versionType":"git"},{"version":"4e19d6b65fb4fc42e352ce9883649e049da14743","lessThan":"b609753cbbd38f8c0affd4956c0af178348523ac","status":"affected","versionType":"git"},{"version":"4e19d6b65fb4fc42e352ce9883649e049da14743","lessThan":"c3893d9de8ee153baac56d127d844103488133b5","status":"affected","versionType":"git"},{"version":"4e19d6b65fb4fc42e352ce9883649e049da14743","lessThan":"299bc6ffa57e04e74c6cce866d6c0741fb4897a1","status":"affected","versionType":"git"},{"version":"4e19d6b65fb4fc42e352ce9883649e049da14743","lessThan":"f9ca51596bbfd0f9c386dd1c613c394c78d9e5e6","status":"affected","versionType":"git"},{"version":"3f0307b0d2d8b333a6964fc4c820dc86896fd1cf","status":"affected","versionType":"git"},{"version":"514631c2225c1fd556c799cc1893fb27b0f48f00","status":"affected","versionType":"git"},{"version":"7f1f86276515f6816a98f6ca3ef99c827d54642f","status":"affected","versionType":"git"},{"version":"5021b7a5bdd6bb859eb648c3da71cdd6aae1d133","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/ext4/namei.c"],"versions":[{"version":"5.3","status":"affected"},{"version":"0","lessThan":"5.3","status":"unaffected","versionType":"semver"},{"version":"4.19.320","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.282","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.224","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.165","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.103","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.44","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.10.3","lessThanOrEqual":"6.10.*","status":"unaffected","versionType":"semver"},{"version":"6.11","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.62","versionEndExcluding":"4.19.320"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.4.282"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.10.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.15.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.1.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.6.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.10.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.187"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.135"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2.4"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/d81d7e347d1f1f48a5634607d39eb90c161c8afe"},{"url":"https://git.kernel.org/stable/c/e02f9941e8c011aa3eafa799def6a134ce06bcfa"},{"url":"https://git.kernel.org/stable/c/de2a011a13a46468a6e8259db58b1b62071fe136"},{"url":"https://git.kernel.org/stable/c/9771e3d8365ae1dd5e8846a204cb9af14e3e656a"},{"url":"https://git.kernel.org/stable/c/b609753cbbd38f8c0affd4956c0af178348523ac"},{"url":"https://git.kernel.org/stable/c/c3893d9de8ee153baac56d127d844103488133b5"},{"url":"https://git.kernel.org/stable/c/299bc6ffa57e04e74c6cce866d6c0741fb4897a1"},{"url":"https://git.kernel.org/stable/c/f9ca51596bbfd0f9c386dd1c613c394c78d9e5e6"}],"title":"ext4: make sure the first directory block is not a hole","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-42304","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T16:10:22.365835Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-12T17:33:28.095Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"url":"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T22:04:09.091Z"}}]}}