CVE-2026-89773 in Linux

Summary

by MITRE • 09/11/2026

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

drm/amd/display: Skip Update HDCP Config In Transition State

Transition state does not have a valid dm_stream_ctx that should skip configuring HDCP routine. The routine is valid to go through only when a valid stream is created.

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• Responsible: Linux
• Reservation: 09/11/2026
• Disclosure: 09/11/2026
• Moderation: accepted
• Entry: VDB-402629
• CPE: ready
• CWE: CWE-371 (confirmed)
• CVSS: 9.9 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Agriculture, Finance, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-89773
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-89773
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-89773/