Bug 2419954 (CVE-2025-40277) - CVE-2025-40277 kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE
Summary: CVE-2025-40277 kernel: drm/vmwgfx: Validate command header size against SVGA_...
Keywords:
Status: NEW
Alias: CVE-2025-40277
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: 2025-12-08 07:11 UTC by OSIDB Bzimport
Modified: 2026-01-26 16:23 UTC (History)
0 users

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-2026:0453 0 None None None 2026-01-12 09:10:54 UTC
Red Hat Product Errata RHSA-2026:0793 0 None None None 2026-01-19 11:41:56 UTC
Red Hat Product Errata RHSA-2026:0917 0 None None None 2026-01-21 09:39:44 UTC
Red Hat Product Errata RHSA-2026:1142 0 None None None 2026-01-26 13:31:57 UTC
Red Hat Product Errata RHSA-2026:1148 0 None None None 2026-01-26 07:44:10 UTC
Red Hat Product Errata RHSA-2026:1194 0 None None None 2026-01-26 14:09:57 UTC
Red Hat Product Errata RHSA-2026:1236 0 None None None 2026-01-26 16:23:36 UTC

Description OSIDB Bzimport 2025-12-08 07:11:33 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

This data originates from userspace and is used in buffer offset
calculations which could potentially overflow causing an out-of-bounds
access.
Comment 1 TEJ RATHI 2025-12-08 13:13:18 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025120717-CVE-2025-40277-d511@gregkh/T
Comment 4 errata-xmlrpc 2026-01-12 09:10:53 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:0453 https://access.redhat.com/errata/RHSA-2026:0453
Comment 6 errata-xmlrpc 2026-01-19 11:41:54 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:0793 https://access.redhat.com/errata/RHSA-2026:0793
Comment 8 errata-xmlrpc 2026-01-21 09:39:43 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:0917 https://access.redhat.com/errata/RHSA-2026:0917
Comment 9 errata-xmlrpc 2026-01-26 07:44:09 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:1148 https://access.redhat.com/errata/RHSA-2026:1148
Comment 10 errata-xmlrpc 2026-01-26 13:31:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:1142 https://access.redhat.com/errata/RHSA-2026:1142
Comment 11 errata-xmlrpc 2026-01-26 14:09:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:1194 https://access.redhat.com/errata/RHSA-2026:1194
Comment 12 errata-xmlrpc 2026-01-26 16:23:35 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:1236 https://access.redhat.com/errata/RHSA-2026:1236
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