Bug 2528743 (CVE-2026-80884) - CVE-2026-80884 kernel: ntb: Store original DMA address for future release
Summary: CVE-2026-80884 kernel: ntb: Store original DMA address for future release
Keywords:
Status: NEW
Alias: CVE-2026-80884
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-04 17:17 UTC by OSIDB Bzimport
Modified: 2026-10-20 13:18 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-09-04 17:17:59 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ntb: Store original DMA address for future release

The DMA API requires that dma_free_attrs receive the exact dma_handle
originally returned by the allocation function. Do not modify it.
Comment 1 Mauro Matteo Cascella 2026-09-08 10:21:52 UTC 
Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80884.mbox
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