{"cve":"CVE-2024-57940","nvd":{"published":"2025-01-21T13:15:08.540","modified":"2026-10-15T02:17:13.330","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nexfat: fix the infinite loop in exfat_readdir()\n\nIf the file system is corrupted so that a cluster is linked to\nitself in the cluster chain, and there is an unused directory\nentry in the cluster, 'dentry' will not be incremented, causing\ncondition 'dentry < max_dentries' unable to prevent an infinite\nloop.\n\nThis infinite loop causes s_lock not to be released, and other\ntasks will hang, such as exfat_sync_fs().\n\nThis commit stops traversing the cluster chain when there is unused\ndirectory entry in the cluster to avoid this infinite loop.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-835"],"references":["https://git.kernel.org/stable/c/28c21f0ac5293a4bf19b3e0e32005d6dd31a6c17","https://git.kernel.org/stable/c/31beabd0f47f8c3ed9965ba861c9e5b252d4920a","https://git.kernel.org/stable/c/d8cfbb8723bd3d3222f360227a1cc15227189ca6","https://git.kernel.org/stable/c/d9ea94f5cd117d56e573696d0045ab3044185a15","https://git.kernel.org/stable/c/dc1d7afceb982e8f666e70a582e6b5aa806de063"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:58:41.599736885+00:00"},"epss":{"cve":"CVE-2024-57940","score":0.00224,"percentile":0.12954,"date":"2026-10-26"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}