CVE Vulnerabilities

CVE-2021-26340

Published: Dec 10, 2021 | Modified: Dec 15, 2021
CVSS 3.x
8.4
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CVSS 2.x
3.6 LOW
AV:L/AC:L/Au:N/C:P/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu

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 Software

Name Vendor Start Version End Version
Epyc_7001_firmware Amd - (including) - (including)

References