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CVE-2024-35958 is a memory-management flaw in the Linux kernel Elastic Network Adapter (ENA) driver. The ena_free_tx_bufs() cleanup routine iterates unacknowledged transmit descriptors during queue cleanup, including after a Virtual Function reset. It incorrectly assumes every transmit queue carries network-stack packets and uses the skb-oriented cleanup path for descriptors belonging to XDP-specific transmit queues. ENA maintains distinct queues for conventional network-stack traffic and XDP_REDIRECT or XDP_TX traffic; applying the wrong freeing routine to XDP descriptors results in incorrect descriptor cleanup and can destabilize the kernel.
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No public exploit code observed for this vulnerability.
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14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel ENA network driver flaw involving incorrect descriptor-free behavior.
Linux kernel Elastic Network Adapter driver flaw involving incorrect descriptor freeing.
A Linux kernel Elastic Network Adapter (ENA) driver flaw involving incorrect descriptor-free behavior.
Incorrect descriptor-free behavior in the Linux kernel ENA network driver.
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.