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: 2026-11-10 11:55 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:97040 0 None None None 2026-11-10 11:55:25 UTC

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
Comment 5 errata-xmlrpc 2026-11-10 11:55:25 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:97040 https://access.redhat.com/errata/RHSA-2026:97040
Note You need to log in before you can comment on or make changes to this bug.