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CVE-2024-42272 is an uninitialized-memory flaw in the Linux kernel traffic-control connection-tracking action (sched/act_ct). A change that added a network-namespace pointer to struct zones_ht_key expanded the rhashtable lookup key from two to 16 bytes. The lookup operation consequently consumed structure padding bytes that had not been initialized when tcf_ct_flow_table_get() constructed a local key. The flaw was detected by KMSAN during rhashtable lookup invoked while initializing an act_ct action.
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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.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.