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CVE-2024-26982 is an out-of-bounds read vulnerability in the Linux kernel Squashfs filesystem implementation. Squashfs failed to reject inode number zero, which is reserved as an invalid/unused value. If fill_meta_index() encounters a metadata read error after allocating an index, it invalidates that index by assigning inode number zero. A later fill_meta_index() invocation can cause locate_meta_index() to match and return this unfilled invalidated index, resulting in an out-of-bounds access. The upstream fix validates inode numbers during inode creation and returns -EINVAL for zero.
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No public exploit code observed for this vulnerability.
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15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Invalid inode-number handling flaw in Linux kernel Squashfs.
Linux kernel Squashfs filesystem validation flaw involving an invalid zero inode number.
Linux kernel Squashfs inode-validation flaw involving an invalid inode number of zero.
An invalid inode-number validation issue in the Linux kernel Squashfs filesystem.
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.