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Debian: intel-microcode Critical Privilege Escalation and DoS DSA-6030-1

debian
Calendar Grey October 22, 2025
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Updated intel-microcode for Debian mitigates critical privilege escalation and denial of service vulnerabilities.
This update ships updated CPU microcode for some types of Intel CPUs and provides mitigations for security vulnerabilities which could result in privilege escalation or denial of s...

Summary

For the oldstable distribution (bookworm), these problems have been fixed
in version 3.20250812.1~deb12u1.

For the stable distribution (trixie), these problems have been fixed in
version 3.20250812.1~deb13u1.

We recommend that you upgrade your intel-microcode packages.

For the detailed security status of intel-microcode please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/source-package/intel-microcode

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
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Critical

Package: intel-microcode
CVE ID: CVE-2025-20053 CVE-2025-20109 CVE-2025-21090 CVE-2025-22839

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