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CVE-2024-27403 is a double-free vulnerability in the Linux kernel Netfilter nft_flow_offload component. During flow setup, ownership of the route object's destination reference is transferred to the flow object. The route object's dst field was not cleared after this transfer. If flow_offload_add() subsequently fails, its error path releases the destination reference through the route object a second time, causing a reference-count underflow.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
16 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity vulnerability affecting Google Container-Optimized OS kernel packages, including sys-kernel/csql-kernel-6_1 and sys-kernel/lakitu-kernel-6_1. The listed remediation is upgrading to version 18244.85.5 or later.
A locally exploitable vulnerability requiring low privileges that can affect availability; the supplied CVSS v3 vector indicates no confidentiality or integrity impact and high availability impact.
Linux kernel netfilter nft_flow_offload flaw involving destination state in a route object after flow setup.
Linux kernel netfilter nft_flow_offload vulnerability involving the destination field in a route object after flow setup.
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.