CVE-2025-38692 exfat: add cluster chain loop check for dir

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Multiple CVEs Address Issues in exFAT File System Two vulnerabilities in the exFAT file system have been identified and addressed. CVE-2024-57940, published on January 21, 2025, fixes an infinite loop in the exfat_readdir() function, while CVE-2025-38692, published on September 4, 2025, adds a cluster chain loop check for directories. 4 sources 41