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Debian LTS Advisory DLA-4347-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Tobias Frost
October 25, 2025 https://wiki.debian.org/LTS
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Package : intel-microcode
Version : 3.20250812.1~deb11u1
CVE ID : CVE-2025-20053 CVE-2025-20109 CVE-2025-21090 CVE-2025-22839
CVE-2025-22840 CVE-2025-22889 CVE-2025-24305 CVE-2025-26403
CVE-2025-32086
Debian Bug : 1110983 1112168
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 service.
For Debian 11 bullseye, these problems have been fixed in version
3.20250812.1~deb11u1.
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/intel-microcode
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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