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CVE-2025-48514

Medium priority
Vulnerable

Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially resulting in a loss of confidentiality.

1 affected package

amd64-microcode

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Vulnerable Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2025-48509

Medium priority
Vulnerable

Missing Checks in certain functions related to RMP initialization can allow a local admin privileged attacker to cause misidentification of I/O memory, potentially resulting in a loss of guest memory integrity

1 affected package

amd64-microcode

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Vulnerable Vulnerable Not affected Not affected Not affected
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CVE-2025-29952

Medium priority
Vulnerable

Improper Initialization within the AMD Secure Encrypted Virtualization (SEV) firmware can allow an admin privileged attacker to corrupt RMP covered memory, potentially resulting in loss of guest memory integrity

1 affected package

amd64-microcode

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Vulnerable Vulnerable Not affected Not affected Not affected
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CVE-2025-29948

Medium priority
Vulnerable

Improper access control in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to bypass RMP protections, potentially resulting in a loss of SEV-SNP guest memory integrity.

1 affected package

amd64-microcode

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Vulnerable Vulnerable Not affected Not affected Not affected
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CVE-2025-29946

Medium priority
Vulnerable

Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory.

1 affected package

amd64-microcode

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Vulnerable Vulnerable Not affected Not affected Not affected
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CVE-2025-29939

Medium priority
Vulnerable

Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initialization, potentially resulting in a loss of guest...

1 affected package

amd64-microcode

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Vulnerable Vulnerable Not affected Not affected Not affected
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CVE-2025-0031

Medium priority
Vulnerable

A use after free in the SEV firmware could allow a malicous hypervisor to activate a migrated guest with the SINGLE_SOCKET policy on a different socket than the migration agent potentially resulting in loss of integrity.

1 affected package

amd64-microcode

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Vulnerable Vulnerable Not affected Not affected Not affected
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CVE-2025-0012

Medium priority

Some fixes available 4 of 9

Improper handling of overlap between the segmented reverse map table (RMP) and system management mode (SMM) memory could allow a privileged attacker corrupt or partially infer SMM memory resulting in loss of integrity or confidentiality.

1 affected package

amd64-microcode

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Fixed Fixed Vulnerable Vulnerable Vulnerable
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CVE-2024-21953

Medium priority
Vulnerable

Improper input validation in IOMMU could allow a malicious hypervisor to reconfigure IOMMU registers resulting in loss of guest data integrity.

1 affected package

amd64-microcode

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Vulnerable Vulnerable Not affected Not affected Not affected
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CVE-2025-29943

Medium priority

Some fixes available 3 of 8

Write what were condition within AMD CPUs may allow an admin-privileged attacker to modify the configuration of the CPU pipeline potentially resulting in the corruption of the stack pointer inside an SEV-SNP guest.

1 affected package

amd64-microcode

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Fixed Fixed Vulnerable Vulnerable Vulnerable
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