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CVE-2024-26659 is a lifecycle-management flaw in the Linux kernel xHCI USB host-controller driver’s handling of isochronous-transfer Babble and Buffer Overrun events. For a multi-TRB transfer descriptor (TD), the driver incorrectly assumed that an early error event meant the xHCI controller had released ownership of the entire TD and freed it. The xHCI specification does not permit that assumption: remaining TRBs may still be owned by the controller, and a final completion event may subsequently be generated because the last TRB has an IOC flag. Premature release allows remaining TRBs to be freed or overwritten by newly queued TDs, and later completion events can no longer be associated with the original TD. The fix applies the existing isochronous Transaction Error processing logic to Babble and Buffer Overrun events and corrects transfer-length reporting for Babble errors.
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7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel xHCI USB-controller error-handling flaw involving isochronous Babble and Buffer Overrun events.
Linux kernel xHCI USB controller isochronous Babble and buffer-overrun event-handling vulnerability.
Linux kernel xHCI isochronous Babble and buffer-overrun event handling flaw.
Linux kernel xHCI isochronous transfer event-handling vulnerability.
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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.