Bug 2461488 (CVE-2026-31661) - CVE-2026-31661 kernel: wifi: brcmsmac: Fix dma_free_coherent() size
Summary: CVE-2026-31661 kernel: wifi: brcmsmac: Fix dma_free_coherent() size
Keywords:
Status: NEW
Alias: CVE-2026-31661
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: 2026-04-24 15:04 UTC by OSIDB Bzimport
Modified: 2026-04-24 22:19 UTC (History)
2 users (show)

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

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-04-24 15:04:29 UTC 
In the Linux kernel, the following vulnerability has been resolved:

wifi: brcmsmac: Fix dma_free_coherent() size

dma_alloc_consistent() may change the size to align it. The new size is
saved in alloced.

Change the free size to match the allocation size.
Comment 1 Keith Grant 2026-04-24 22:18:50 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026042404-CVE-2026-31661-16ae@gregkh/T
Note You need to log in before you can comment on or make changes to this bug.