Bug 2502337 (CVE-2026-64020) - CVE-2026-64020 kernel: nvme-pci: fix dma_vecs leak on p2p memory
Summary: CVE-2026-64020 kernel: nvme-pci: fix dma_vecs leak on p2p memory
Keywords:
Status: NEW
Alias: CVE-2026-64020
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-19 16:02 UTC by OSIDB Bzimport
Modified: 2026-08-21 14:07 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-07-19 16:02:39 UTC 
In the Linux kernel, the following vulnerability has been resolved:

nvme-pci: fix dma_vecs leak on p2p memory

We don't unmap P2P memory, so we don't need to track it. The dma_vec
allocation was getting leaked on the completion.
Comment 1 Keith Grant 2026-07-22 00:33:26 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026071901-CVE-2026-64020-1e8e@gregkh/T
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