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CVE-2024-36971, also known as Beaky Buzzard, is a use-after-free vulnerability in Linux kernel network route management. The flaw is in __dst_negative_advice(), which clears a socket destination cache without observing the required RCU ordering: the socket's sk_dst_cache must be cleared before the former destination object is released. The incorrect order can leave a stale reference and cause a use-after-free condition. The issue became visible when UDP sockets were used. The affected negative_advice() implementations must perform sk_dst_reset() to enforce the correct cache-clear and destination-release sequence.
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No valid public exploits. Mallory filtered out 2 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
34 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity Linux kernel use-after-free vulnerability caused by incorrect RCU ordering in __dst_negative_advice() when clearing a socket destination cache.
Linux kernel use-after-free vulnerability in network route management.
Linux kernel network route-management use-after-free vulnerability.
Linux kernel network-route-management use-after-free flaw fixed in the updated image.
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.