Bug 2482543 (CVE-2026-46204) - CVE-2026-46204 kernel: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB
Summary: CVE-2026-46204 kernel: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB
Keywords:
Status: NEW
Alias: CVE-2026-46204
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-28 11:02 UTC by OSIDB Bzimport
Modified: 2026-09-28 12:03 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-2026:71602 0 None None None 2026-09-24 15:05:10 UTC
Red Hat Product Errata RHSA-2026:71700 0 None None None 2026-09-25 06:12:52 UTC
Red Hat Product Errata RHSA-2026:72467 0 None None None 2026-09-28 11:13:11 UTC
Red Hat Product Errata RHSA-2026:72468 0 None None None 2026-09-28 12:03:29 UTC

Description OSIDB Bzimport 2026-05-28 11:02:30 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu/vcn4: Prevent OOB reads when parsing IB

Rewrite the IB parsing to use amdgpu_ib_get_value() which handles the
bounds checks.
Comment 1 Keith Grant 2026-05-28 13:34:10 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026052833-CVE-2026-46204-955f@gregkh/T
Comment 3 Jon Orris 2026-09-24 15:05:09 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:71602 https://access.redhat.com/errata/RHSA-2026:71602
Comment 4 Jon Orris 2026-09-25 06:12:51 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:71700 https://access.redhat.com/errata/RHSA-2026:71700
Comment 5 Jon Orris 2026-09-28 11:13:10 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:72467 https://access.redhat.com/errata/RHSA-2026:72467
Comment 6 Jon Orris 2026-09-28 12:03:28 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:72468 https://access.redhat.com/errata/RHSA-2026:72468
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