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CVE-2022-3435 is an out-of-bounds read in the Linux kernel IPv4 routing implementation's fib_nh_match function. The flaw occurs when IPv4 routes with a multipath specification are deleted while the associated fib_info structure uses a nexthop object, causing incorrect access to memory outside the intended bounds.
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No public exploit code observed for this vulnerability.
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4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel IPv4 routing-table out-of-bounds read vulnerability.
Linux IPv4 routing code out-of-bounds read.
A remotely triggerable out-of-bounds read vulnerability in the Linux kernel IPv4 routing handler, specifically the fib_nh_match function in net/ipv4/fib_semantics.c.
A Linux kernel IPv4 routing-handler out-of-bounds read in fib_nh_match/fib_semantics.c. A locally privileged attacker can trigger deletion of certain multipath IPv4 routes while fib_info uses a nexthop object, potentially disclosing unauthorized memory data.
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.