Home / mailings [SECURITY] [DSA 6030-1] intel-microcode security update
Posted on 22 October 2025
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6030-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
October 22, 2025 https://www.debian.org/security/faq
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Package : intel-microcode
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
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 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/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/
Mailing list: debian-security-announce@lists.debian.org
