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CVE-2024-26878 is a race condition in the Linux kernel quota subsystem that can lead to a NULL pointer dereference. A concurrent quota-disable path can clear an inode's quota pointer after a routine such as dquot_free_inode has tested that pointer but before it dereferences the associated quota structure while acquiring its lock. The upstream fix retains the quota object in a temporary pointer, preventing the time-of-check/time-of-use race on the inode quota-pointer array.
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3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A potential NULL-pointer dereference in the Linux kernel quota subsystem.
Potential NULL-pointer dereference in Linux kernel quota handling.
A Linux kernel quota subsystem vulnerability involving a potential NULL-pointer dereference. The issue was assessed by an automated check as potentially valid with low impact and has been addressed through Red Hat Enterprise Linux errata.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.