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Hash: SHA512
Format: 1.8
Date: Wed, 21 Aug 2024 21:31:07 -0300
Source: amd64-microcode
Architecture: source
Version: 3.20240820.1
Distribution: unstable
Urgency: high
Maintainer: Henrique de Moraes Holschuh <hmh@debian.org>
Changed-By: Henrique de Moraes Holschuh <hmh@debian.org>
Changes:
amd64-microcode (3.20240820.1) unstable; urgency=high
.
* Update package data from linux-firmware 20240820
* New AMD-SEV firmware from AMD upstream (20240820)
+ Updated SEV firmware:
Family 17h models 30h-3fh: version 0.24 build 20
Family 19h models 00h-0fh: version 1.55 build 21
Family 19h models 10h-1fh: version 1.55 build 37
+ New SEV firmware:
Family 19h models a0h-afh: version 1.55 build 37
* SECURITY UPDATE (AMD-SB-3003):
* Mitigates CVE-2023-20584: IOMMU improperly handles certain special
address ranges with invalid device table entries (DTEs), which may allow
an attacker with privileges and a compromised Hypervisor to induce DTE
faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of
guest integrity.
* Mitigates CVE-2023-31356: Incomplete system memory cleanup in SEV
firmware could allow a privileged attacker to corrupt guest private
memory, potentially resulting in a loss of data integrity.
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