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CVE-2024-26642 is a Linux kernel Netfilter nf_tables vulnerability in which anonymous sets can be created with the timeout flag. Anonymous sets are not intended to use timeouts when configured from userspace. The corrective change rejects this combination while retaining an NFT_SET_EVAL exception required for legacy meter functionality. The issue was introduced in Linux kernel 4.1 and fixed upstream in Linux kernel 6.8.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
25 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A medium-severity Linux kernel netfilter/nf_tables flaw involving anonymous sets configured with the timeout flag. The fix rejects this unsupported userspace configuration while preserving NFT_SET_EVAL for legacy meters.
Linux kernel Netfilter nf_tables issue involving anonymous sets with the timeout flag.
Linux kernel nftables vulnerability involving anonymous sets with the timeout flag.
Linux kernel nftables anonymous set timeout-flag handling flaw.
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.