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- ------------------------------------------------------------------------- Debian Security Advisory DSA-5924-1
[email protected] https://www.debian.org/security/ Salvatore Bonaccorso
May 23, 2025
https://www.debian.org/security/faq
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Package : intel-microcode
CVE ID : CVE-2024-28956 CVE-2024-43420 CVE-2024-45332 CVE-2025-20012
CVE-2025-20054 CVE-2025-20103 CVE-2025-20623 CVE-2025-24495 Debian Bug : 1105172
This update ships updated CPU microcode for some types of Intel CPUs. In particular it provides mitigations for the Indirect Target Selection
(ITS) vulnerability (CVE-2024-28956) and the Branch Privilege Injection vulnerability (CVE-2024-45332).
For CPUs affected to ITS (Indirect Target Selection), to fully mitigate
the vulnerability it is also necessary to update the Linux kernel
packages released in a separate, forthcoming DSA.
For details on the Indirect Target Selection (ITS) vulnerability please
refer to
https://www.vusec.net/projects/training-solo/ and
https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/indirect-target-selection.html .
For details on the Branch Privilege Injection vulnerability please refer
to
https://comsec.ethz.ch/research/microarch/branch-privilege-injection/
For the stable distribution (bookworm), these problems have been fixed in version 3.20250512.1~deb12u1.
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:
[email protected]
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