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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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |