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Off-by-one Error The advisory has been revoked - it doesn't affect any version of package kernel-rt-debug-kvm  (opens in a new tab)

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EPSS
0.17% (7th percentile)

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  • Snyk IDSNYK-RHEL10-KERNELRTDEBUGKVM-20917544
  • published14 Oct 2026
  • disclosed17 Sept 2026
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Introduced: 17 Sep 2026

CVE-2026-90289  (opens in a new tab)
CWE-193  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by RHEL.

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Resize MST HDCP per-connector arrays to 32

AMDGPU_DM_MAX_DISPLAY_INDEX is 31. It suggest a maximum number of 32 connectors. But the way it's used is like MAX_DISPLAY_COUNT. Hence we're off by one with DRM core, which supports a max of 32 connectors.

Rename AMDGPU_DM_MAX_DISPLAY_INDEX to AMDGPU_DM_MAX_DISPLAY_COUNT to match its actual use, and increase the size to 32 to match the originally intended size.