{"id":"CVE-2024-53147","summary":"exfat: fix out-of-bounds access of directory entries","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nexfat: fix out-of-bounds access of directory entries\n\nIn the case of the directory size is greater than or equal to\nthe cluster size, if start_clu becomes an EOF cluster(an invalid\ncluster) due to file system corruption, then the directory entry\nwhere ei-\u003ehint_femp.eidx hint is outside the directory, resulting\nin an out-of-bounds access, which may cause further file system\ncorruption.\n\nThis commit adds a check for start_clu, if it is an invalid cluster,\nthe file or directory will be treated as empty.","modified":"2026-04-02T12:22:54.479977Z","published":"2024-12-24T11:28:47.695Z","related":["ALSA-2025:20095","SUSE-SU-2025:0784-1","SUSE-SU-2025:0847-1","SUSE-SU-2025:0856-1","SUSE-SU-2025:0955-1","SUSE-SU-2025:20190-1","SUSE-SU-2025:20192-1","SUSE-SU-2025:20260-1","SUSE-SU-2025:20270-1","USN-7276-1","USN-7277-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53147.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/184fa506e392eb78364d9283c961217ff2c0617b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3ddd1cb2b458ff6a193bc845f408dfff217db29e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a0120d6463368378539ef928cf067d02372efb8c"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53147.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-53147"},{"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":"1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003"},{"fixed":"a0120d6463368378539ef928cf067d02372efb8c"},{"fixed":"3ddd1cb2b458ff6a193bc845f408dfff217db29e"},{"fixed":"184fa506e392eb78364d9283c961217ff2c0617b"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53147.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"}]}