GHSA-26X9-CXWC-JFQW
Vulnerability from github – Published: 2024-12-24 12:30 – Updated: 2025-09-19 21:31In the Linux kernel, the following vulnerability has been resolved:
exfat: fix out-of-bounds access of directory entries
In the case of the directory size is greater than or equal to the cluster size, if start_clu becomes an EOF cluster(an invalid cluster) due to file system corruption, then the directory entry where ei->hint_femp.eidx hint is outside the directory, resulting in an out-of-bounds access, which may cause further file system corruption.
This commit adds a check for start_clu, if it is an invalid cluster, the file or directory will be treated as empty.
{
"affected": [],
"aliases": [
"CVE-2024-53147"
],
"database_specific": {
"cwe_ids": [
"CWE-125"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-12-24T12:15:22Z",
"severity": "HIGH"
},
"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.",
"id": "GHSA-26x9-cxwc-jfqw",
"modified": "2025-09-19T21:31:15Z",
"published": "2024-12-24T12:30:42Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53147"
},
{
"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"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
"type": "CVSS_V3"
}
]
}
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