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CVE-2021-28690

nvd nist
Published: Jun 29, 2021Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

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.

Affected (2)

Products: Xen: Xen
Xen
1 product
Xen
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Xen
Xen
From 4.12 to 4.15.0
Xen
Version 4.15.0 rc1

References (4)

Source: security@xen.org
Third Party Advisory
Source: security@xen.org
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory

Timeline

No history available yet.