HIGH 7.0 Microsoft

CVE-2025-38063

dm: fix unconditional IO throttle caused by REQ_PREFLUSH

Microsoft Security Update 2025-Jun: dm: fix unconditional IO throttle caused by REQ_PREFLUSH

Affected Products

azl3 kernel 6.6.92.2-2 on Azure Linux 3.0
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 on CBL Mariner 2.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-38063
https://nvd.nist.gov/vuln/detail/CVE-2025-38063

Published: 2025-06-10 · Source: Microsoft · Feed updated: 2026-08-15

This high severity vulnerability with a CVSS score of 7.0 was published on 2025-06-10 via Microsoft. Affected: azl3 kernel 6.6.92.2-2 on Azure Linux 3.0, 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 10939 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.