Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Epyc_7001_firmware | Amd | - (including) | - (including) |
| Red Hat Enterprise Linux 7 | RedHat | linux-firmware-0:20200421-82.git78c0348.el7_9 | * |
| Red Hat Enterprise Linux 7.6 Advanced Update Support(Disable again in 2026 - SPRHEL-7118) | RedHat | linux-firmware-0:20180911-69.3.git85c5d90.el7_6 | * |
| Red Hat Enterprise Linux 7.7 Advanced Update Support | RedHat | linux-firmware-0:20190429-75.gitddde598.el7_7 | * |
| Red Hat Enterprise Linux 8 | RedHat | linux-firmware-0:20240111-121.gitb3132c18.el8 | * |
| Red Hat Enterprise Linux 8.2 Advanced Update Support | RedHat | linux-firmware-0:20240419-102.git055dfa8e.el8_2 | * |
| Red Hat Enterprise Linux 8.6 Extended Update Support | RedHat | linux-firmware-0:20220210-114.git6342082c.el8_6 | * |
| Amd64-microcode | Ubuntu | bionic | * |
| Amd64-microcode | Ubuntu | esm-infra-legacy/trusty | * |
| Amd64-microcode | Ubuntu | trusty | * |
| Amd64-microcode | Ubuntu | trusty/esm | * |
| Amd64-microcode | Ubuntu | xenial | * |