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CVE-2025-54514

Medium priority
Needs evaluation

Improper isolation of shared resources on a system on a chip by a malicious local attacker with high privileges could potentially lead to a partial loss of integrity.

1 affected package

amd64-microcode

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2025-52536

Medium priority
Needs evaluation

Improper Prevention of Lock Bit Modification in SEV firmware could allow a privileged attacker to downgrade firmware potentially resulting in a loss of integrity.

1 affected package

amd64-microcode

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Needs evaluation Not affected Not affected Not affected
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CVE-2025-52534

Medium priority
Needs evaluation

Improper bound check within AMD CPU microcode can allow a malicious guest to write to host memory, potentially resulting in loss of integrity.

1 affected package

amd64-microcode

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2025-48517

Medium priority
Needs evaluation

Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial...

1 affected package

amd64-microcode

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Needs evaluation Not affected Not affected Not affected
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CVE-2025-48514

Medium priority
Needs evaluation

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

Medium priority
Needs evaluation

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 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Needs evaluation Not affected Not affected Not affected
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CVE-2025-29952

Medium priority
Needs evaluation

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 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Needs evaluation Not affected Not affected Not affected
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CVE-2025-29948

Medium priority
Needs evaluation

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 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Needs evaluation Not affected Not affected Not affected
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CVE-2025-29946

Medium priority
Needs evaluation

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 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Needs evaluation Not affected Not affected Not affected
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CVE-2025-29939

Medium priority
Needs evaluation

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 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
amd64-microcode Needs evaluation Not affected Not affected Not affected
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