{"id":"CVE-2024-53147","title":"exfat: fix out-of-bounds access of directory entries","summary":"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 cluste…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 < 82dc96f0f4eec8afdde8467d21d1b6b989dbb20a","Linux >= 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 < a0120d6463368378539ef928cf067d02372efb8c","Linux >= 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 < 3ddd1cb2b458ff6a193bc845f408dfff217db29e","Linux >= 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 < 184fa506e392eb78364d9283c961217ff2c0617b","Linux 5.7"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-10-01T20:09:50.211363Z"},"published":"2024-12-24","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:35:33.204Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-53147","references":[{"url":"https://git.kernel.org/stable/c/82dc96f0f4eec8afdde8467d21d1b6b989dbb20a"},{"url":"https://git.kernel.org/stable/c/a0120d6463368378539ef928cf067d02372efb8c"},{"url":"https://git.kernel.org/stable/c/3ddd1cb2b458ff6a193bc845f408dfff217db29e"},{"url":"https://git.kernel.org/stable/c/184fa506e392eb78364d9283c961217ff2c0617b"}],"tags":["cve.org"],"epss":0.00252,"epssPercentile":0.16576,"ingestedAt":"2026-10-21T12:48:53.725Z","slug":"CVE-2024-53147","body":"## Overview\n\nIn 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->hint_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.\n\n## Affected\n\n- `Linux >= 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 < 82dc96f0f4eec8afdde8467d21d1b6b989dbb20a`\n- `Linux >= 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 < a0120d6463368378539ef928cf067d02372efb8c`\n- `Linux >= 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 < 3ddd1cb2b458ff6a193bc845f408dfff217db29e`\n- `Linux >= 1acf1a564b6034b5af1e7fb23cb98cb3bb4f6003 < 184fa506e392eb78364d9283c961217ff2c0617b`\n- `Linux 5.7`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}