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CVE-2024-26643 is a race condition in the Linux kernel Netfilter nf_tables subsystem. Asynchronous rhashtable garbage collection can collect elements from an anonymous nftables set configured with timeouts while that set is being released through the transaction commit path. The correction marks the anonymous set dead before release so asynchronous garbage collection skips it; the dead flag is also set on the transaction-abort path.
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No public exploit code observed for this vulnerability.
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18 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel netfilter/nf_tables race condition involving asynchronous garbage collection of anonymous sets with timeouts during set release. It can affect availability and is addressed in Google COS lakitu-kernel-6_1 version 18244.1.44 or later.
Linux kernel nftables anonymous-set lifecycle vulnerability involving timeout sets.
Linux kernel nftables anonymous-set lifecycle flaw.
Linux kernel nftables anonymous-set lifecycle vulnerability.
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.