Bug 2529685 (CVE-2026-86567) - CVE-2026-86567 dpdk: dpdk: VDUSE handler fails to invalidate vring pointers when IOTLB is invalidated, leading to use-after-unmap
Summary: CVE-2026-86567 dpdk: dpdk: VDUSE handler fails to invalidate vring pointers w...
Keywords:
Status: NEW
Alias: CVE-2026-86567
Deadline: 2026-12-08
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2552440 2552443
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-08 02:50 UTC by OSIDB Bzimport
Modified: 2026-10-14 16:03 UTC (History)
30 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-09-08 02:50:54 UTC 
A flaw was found in DPDK lib/vhost. The VDUSE handler does not invalidate vring pointers when the IOTLB is invalidated. A worker thread can continue using dangling vring pointers after munmap(), leading to a crash or use-after-rebind.
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