CVE-2026-74453: drm/vc4: Zero the tile state data array before each BIN job

Published Aug 15, 2026
·
Updated

drm/vc4: Zero the tile state data array before each BIN job

Affected Software

2 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.150.1-1<6.6.152.1-1
6.6.152.1-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.6.152.1-1
  2. Configuration

    In drm/vc4, zero the tile state data array (TSDA) before each BIN job so PTB never sees stale per-tile bookkeeping from a prior job’s binning slot.

    Linux kernel drm/vc4 (PTB tile binning mode) Zero the tile state data array (TSDA) before each BIN job = Enabled

Event History

Aug 15, 2026
CVE Published
via MITRE·12:26 PM
Data Sourced
via MITRE·12:26 PM
DescriptionSeverity
Data Sourced
via NVD·01:17 PM
DescriptionSeverity
Aug 23, 2026
Data Sourced
via Microsoft·09:57 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-74453?

CVE-2026-74453 has a risk rating of 33, indicating a moderate severity level.

2

How do I fix CVE-2026-74453?

To fix CVE-2026-74453, update the Linux kernel to the latest version where this vulnerability has been resolved.

3

What components are affected by CVE-2026-74453?

CVE-2026-74453 affects the Linux kernel's vc4 DRM subsystem, specifically related to tile state data handling.

4

What are the potential impacts of CVE-2026-74453?

Exploiting CVE-2026-74453 could potentially lead to memory corruption issues and unintended information disclosure.

5

When was CVE-2026-74453 published?

CVE-2026-74453 was published on August 15, 2026.

Contact

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