high8.4
CVE-2021-26340
A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer (T…
Impact
A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer (TLB) resulting in unexpected behavior inside the virtual machine (VM).
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Amd | Epyc 7001 Firmware | All versions |
| Amd | Epyc 7232p Firmware | All versions |
| Amd | Epyc 7251 Firmware | All versions |
| Amd | Epyc 7261 Firmware | All versions |
| Amd | Epyc 7252 Firmware | All versions |
| Amd | Epyc 74f3 Firmware | All versions |
| Amd | Epyc 7501 Firmware | All versions |
| Amd | Epyc 7502 Firmware | All versions |
| Amd | Epyc 7502p Firmware | All versions |
| Amd | Epyc 7513 Firmware | All versions |
| Amd | Epyc 7532 Firmware | All versions |
| Amd | Epyc 7542 Firmware | All versions |