ZeroHour

CVE-2021-26340

CVSS 3.1
8.4 high
EPSS
<1%p15
Published
()
Modified
Description

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).

Vendors
amd
Products
epyc 7001 firmware, epyc 7232p firmware, epyc 7251 firmware, epyc 7261 firmware, epyc 7252 firmware, epyc 74f3 firmware, epyc 7501 firmware, epyc 7502 firmware, epyc 7502p firmware, epyc 7513 firmware, epyc 7532 firmware, epyc 7542 firmware
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

In the news

No ingested article mentions this CVE yet.