CVE-2021-28690

Published: 29 June 2021

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.

Priority

Medium

CVSS 3 base score: 6.5

Status

Notes

hypervisor packages are in universe. For
issues in the hypervisor, add appropriate
tags to each section, ex:
Tags_xen: universe-binary

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28690
• https://xenbits.xen.org/xsa/advisory-377.html
• NVD
• Launchpad
• Debian

Bugs