CVE-2026-89773Medium· 5.5▾ SunlitA flaw was found in the `drm/amd/display` component of the Linux kernel. This vulnerability occurs because the High-bandwidth Digital Content Protection (HDCP) configuration routine is skipped during a transition state when an invalid `dm_…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
— → 5.5
none → medium
— → 5.5
none → medium
— → 5.5
none → medium
Last analysed / modified upstream
A flaw was found in the drm/amd/display component of the Linux kernel. This vulnerability occurs because the High-bandwidth Digital Content Protection (HDCP) configuration routine is skipped during a transition state when an invalid dm_stream_ctx is present. This can lead to the HDCP routine not being properly configured, potentially allowing unauthorized access to protected content.
kernel: drm/amd/display: Skip Update HDCP Config In Transition State — rated Low by Red Hat. Released 2026-09-11, updated 2026-09-16.
Affected:
No fix planned:
Not affected:
Out of support scope
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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