CVE-2021-28690

MEDIUM6.5

x86: TSX Async Abort protections not restored after S3 This issue relates to the TSX Async Abort speculative security vulnerability

Published Jun 29, 2021

Modified 1 years ago

Details

x86: TSX Async Abort protections not restored after S3 This issue relates to the TSX Async Abort speculative security vulnerability. Please see https://xenbits.xen.org/xsa/advisory-305.html for details. Mitigating TAA by disabling TSX (the default and preferred option) requires selecting a non-default setting in MSR_TSX_CTRL. This setting isn't restored after S3 suspend.

References

ADVISORY

https://security.gentoo.org/glsa/202107-30

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2021-28690

WEB

https://xenbits.xenproject.org/xsa/advisory-377.txt

CVSS Analysis

CVSS v3.1

6.5

Exploitability

Attack Vector