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CVE-2024-42272 is an uninitialized-memory-use flaw in the Linux kernel traffic-control connection-tracking action (sched act_ct). A prior change expanded the zones_ht_key lookup key from two to sixteen bytes after adding a network-namespace pointer. Padding bytes in that structure were not initialized before the key was supplied to an rhashtable lookup, causing the lookup to consume uninitialized values.
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No public exploit code observed for this vulnerability.
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Linux kernel scheduler act_ct flaw involving padding handling in struct zones_ht_key.
A Linux kernel sched act_ct vulnerability concerning padding in the zones_ht_key structure.
A Linux kernel sched/act_ct vulnerability involving padding in the zones_ht_key structure.
A vulnerability addressed by this Red Hat Enterprise Linux 9 container-image update; no technical details are provided in the content.
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.