amd64-microcode 3.20250311.1ubuntu0.24.04.1: amd64-microcode 3.20250311.1ubuntu0.24.04.1 for Ubuntu 24.04.5 LTS (noble)

amd64-microcode 3.20250311.1ubuntu0.24.04.1, released February 3, 2025, fixes 3 CVEs in amd64-microcode. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0053

45th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 0

Fixed package versions

Product	Release	Fixed in
amd64-microcode	Ubuntu 24.04.5 LTS (noble)	3.20250311.1ubuntu0.24.04.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2024-56161	amd64-microcode: Improper signature verification in AMD CPU ROM microcode patch loader mayallow an attacker with local administrator p...	7.2	0.0053	None reported
High	CVE-2023-31356	amd64-microcode: Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, p...	7.5	0.0021	None reported
High	CVE-2023-20584	amd64-microcode: IOMMU improperly handles certain special addressranges with invalid device table entries (DTEs), which may allow anat...	7.5	0.0019	None reported

Also fixes CVE-2024-56161

amd64-microcode 3.20250311.1ubuntu0.24.10.1
amd64-microcode on Ubuntu 24.10 (oracular)
amd64-microcode 3.20250311.1ubuntu0.25.04.1
amd64-microcode on Ubuntu 25.04 (plucky)
DLA-4098-1
amd64-microcode on Debian 11.6 (bullseye)
DEBIAN-CVE-2024-56161
amd64-microcode on Debian 12.15 (bookworm), Debian 13.5 (trixie), Debian 14

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