What is CVE-2025-21820?

CVE-2025-21820 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. tty: xilinx_uartps: split sysrq handling

Which CVE IDs does CVE-2025-21820 cover?

CVE-2025-21820 covers the following CVE IDs: CVE-2025-21820. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-21820?

CVE-2025-21820 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2025-21820MediumCVSS 5.5

tty: xilinx_uartps: split sysrq handling

Vendor

Microsoft Security Response Center (MSRC)

Published

June 3, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-21820 →