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CVE-2024-35884 is a Linux kernel networking flaw in UDP GRO/GSO handling when receive-side UDP GRO forwarding or GRO-list processing coalesces packets that subsequently enter a tunnel endpoint in a different network namespace. UDP socket lookup may fail to identify the tunnel context because the lookup is limited to the current network namespace, allowing non-tunnel GSO socket buffers to reach tunnel receive processing. For Geneve traffic, tunnel-header removal adjusts the parent buffer but not associated fragment-list buffers. Subsequent segmentation can use an invalid GSO size and inconsistent offsets, causing packet corruption or kernel failures. The fix extends unexpected-GSO validation so non-tunnel GSO packets entering a tunnel are segmented rather than accepted intact.
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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.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A locally exploitable, low-complexity vulnerability requiring low privileges that can cause high availability impact; no confidentiality or integrity impact is specified in the provided CVSS vector.
Linux kernel UDP networking flaw involving acceptance of non-tunnel GSO packets delivered to a tunnel.
A Linux kernel UDP networking flaw involving acceptance of non-tunnel GSO packets arriving in a tunnel.
A Linux kernel UDP networking flaw involving acceptance of non-tunnel Generic Segmentation Offload (GSO) socket buffers in a tunnel context. The referenced tracking assessment characterizes its impact as moderate.
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.