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CVE-2025-37882 is a race condition in the Linux kernel USB xHCI driver's handling of isochronous Ring Underrun/Overrun (xrun) events. On xHCI 1.1 and later controllers, an event's TRB pointer references the ring enqueue position at the time of the error; on older controllers, that pointer can be NULL. Before delayed interrupt handling processes the event, a newly submitted transfer descriptor (TD) can occupy the same ring position. Following a Missed Service Error, the driver could skip missed TDs and process the new TD as though it matched the event, completing and returning it prematurely. The corrected handling avoids completing TDs on xrun events, tolerates mismatched, NULL, link, and no-op TRB pointers, and safely processes xrun events when the skip flag is clear to complete TDs left in an error state.
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22 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Vulnerability referenced by the advisory; no individual description is provided.
A Linux kernel xHCI driver race condition in isochronous event handling that can lead to data loss or a use-after-free condition.
A Linux kernel xHCI driver race condition in isochronous event handling that can cause data loss or a use-after-free condition.
A Linux kernel xHCI driver race condition in isochronous event handling that can cause data loss or a use-after-free condition.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.