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CVE-2024-26830 is an access-control flaw in the Linux kernel i40e Intel Ethernet driver’s SR-IOV virtual-function MAC-filter handling. When a physical function administrator assigned a primary MAC address to an untrusted virtual function, bringing that virtual-function interface down caused the virtual function’s cleanup behavior to delete its MAC filters and clear the administratively configured primary MAC. The corrected driver preserves a primary MAC address that was administratively configured by the physical function from removal by an untrusted virtual function.
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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.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel i40e driver flaw that allowed an untrusted virtual function to remove an administratively configured MAC address.
A vulnerability included in the CVE list for this OpenShift Container Platform 4.15.43 security update; no vulnerability details are provided in the content.
A vulnerability listed among the CVEs addressed by the VolSync 0.11.1 release; the advisory provides no technical description.
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.