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CVE-2024-36020 is a race-condition vulnerability in the Linux kernel i40e Ethernet driver for Intel Ethernet Controller XL710-family hardware. A regression caused the driver to maintain separate virtual-function iteration state and pointer state during reset handling. Advancing the iteration state did not necessarily advance the virtual-function pointer, allowing a stale or uninitialized pointer to be used for a different, unintended virtual function during rare reset races. The upstream fix removes the redundant iteration variable and performs traversal through one virtual-function pointer, preserving pointer validity.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux i40e driver flaw in which a virtual-function variable may be used uninitialized.
Linux kernel i40e driver vulnerability involving a virtual-function variable that may be used uninitialized.
Linux kernel Intel i40e network-driver uninitialized virtual-function use flaw.
Linux kernel i40e network-driver flaw involving potential use of an uninitialized virtual-function variable.
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.