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CVE-2024-26964 is a NULL pointer dereference in the Linux kernel xHCI USB host-controller driver. In xhci_map_urb_for_dma(), the driver can allocate a temporary linear buffer before copying data from a scatter-gather list. If the allocation fails, the code previously continued to the copy operation with a NULL destination pointer, causing a NULL-pointer dereference. The fix checks the allocation result and returns -ENOMEM when allocation fails.
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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.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel xHCI USB flaw caused by insufficient error handling in xhci_map_urb_for_dma.
Linux kernel xHCI DMA URB mapping error-handling flaw.
Linux kernel xHCI USB DMA mapping error-handling vulnerability.
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.