CVE-2026-90289

A flaw was found in the drm/amd/display component of the Linux kernel. An off-by-one error in the sizing of Multi-Stream Transport MST High-bandwidth Digital Content Protection HDCP per-connector arrays could lead to incorrect array handling. This issue stems from a discrepancy between the intend...

Linux Distros Unpatched Vulnerability : CVE-2026-90289

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/amd/display: Resize MST HDCP per-connector arrays to 32 AMDGPUDMMAXDISPLAYINDEX is 31. It suggest a maximum number of 32 connectors. But the way it's used i...

DEBIAN-CVE-2026-90289

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Resize MST HDCP per-connector arrays to 32 AMDGPUDMMAXDISPLAYINDEX is 31. It suggest a maximum number of 32 connectors. But the way it's used is like MAXDISPLAYCOUNT. Hence we're off by one with DRM core, which...

CVE-2026-90289

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Resize MST HDCP per-connector arrays to 32 AMDGPUDMMAXDISPLAYINDEX is 31. It suggest a maximum number of 32 connectors. But the way it's used is like MAXDISPLAYCOUNT. Hence we're off by one with DRM core, which...

CVE-2026-90289 drm/amd/display: Resize MST HDCP per-connector arrays to 32

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Resize MST HDCP per-connector arrays to 32 AMDGPUDMMAXDISPLAYINDEX is 31. It suggest a maximum number of 32 connectors. But the way it's used is like MAXDISPLAYCOUNT. Hence we're off by one with DRM core, which...

CVE-2026-90289 drm/amd/display: Resize MST HDCP per-connector arrays to 32

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Resize MST HDCP per-connector arrays to 32 AMDGPUDMMAXDISPLAYINDEX is 31. It suggest a maximum number of 32 connectors. But the way it's used is like MAXDISPLAYCOUNT. Hence we're off by one with DRM core, which...

CVE-2026-90289

CVE-2026-90289 is a Linux kernel vulnerability in the drm/amd/display subsystem. The constant AMDGPU_DM_MAX_DISPLAY_INDEX was defined as 31 (implying 32 connectors) but used as a count, creating an off-by-one mismatch with the DRM core, which supports a maximum of 32 connectors. The fix renames t...

PT-2026-94637

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An off-by-one error exists in the drm/amd/display component. The constant AMDGPU DM MAX DISPLAY INDEX was set to 31, but it was utilized as a count rather than an index. This created a...

Linux kernel security vulnerabilities

A security vulnerability exists in the Linux kernel. It stems from a discrepancy of one element in the MST HDCP per-connector array size, which may lead to an out-of-bounds access...