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CVE-2024-26973 is an improper-initialization flaw in the Linux kernel FAT filesystem's nostale filehandle encoding path. When fat_encode_fh_nostale() generates a filehandle without parent information, it populates only 10 bytes even though the required aligned filehandle length is 12 bytes. The remaining two bytes are uninitialized and can be returned to userspace as part of the encoded handle.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel FAT filesystem vulnerability involving an uninitialized nostale file-handle field.
Linux kernel FAT filesystem uninitialized nostale file-handle field flaw.
Linux kernel FAT filesystem uninitialized-field vulnerability in nostale file handles.
Linux kernel FAT filesystem vulnerability involving an uninitialized field in nostale file handles.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.