medium4.9
CVE-2023-31347
Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enable…
Impact
Due to a code bug in Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a guest to observe an incorrect TSC when Secure TSC is enabled potentially resulting in a loss of guest integrity.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Amd | Epyc 7773x Firmware | before milanpi_1.0.0.c |
| Amd | Epyc 7763 Firmware | before milanpi_1.0.0.c |
| Amd | Epyc 7713 Firmware | before milanpi_1.0.0.c |
| Amd | Epyc 7713p Firmware | All versions |
| Amd | Epyc 7663 Firmware | before milanpi_1.0.0.c |
| Amd | Epyc 7663p Firmware | before milanpi_1.0.0.c |
| Amd | Epyc 7643 Firmware | before milanpi_1.0.0.c |
| Amd | Epyc 7643p Firmware | before milanpi_1.0.0.c |
| Amd | Epyc 7573x Firmware | before milanpi_1.0.0.c |
| Amd | Epyc 75f3 Firmware | before milanpi_1.0.0.c |
| Amd | Epyc 7543 Firmware | before milanpi_1.0.0.c |
| Amd | Epyc 7543p Firmware | before milanpi_1.0.0.c |