MEDIUM 5.5 Microsoft

CVE-2025-21831

PCI: Avoid putting some root ports into D3 on TUXEDO Sirius Gen1

Microsoft Security Update 2026-Aug: PCI: Avoid putting some root ports into D3 on TUXEDO Sirius Gen1

Affected Products

cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
cbl2 kernel 5.15.202.1-1

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21831
https://nvd.nist.gov/vuln/detail/CVE-2025-21831

Published: 2026-08-06 · Source: Microsoft · Feed updated: 2026-08-10

This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-08-06 via Microsoft. Affected: cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0, cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0 and 1 more.

vulnfeed aggregates 9044 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.