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CVE-2021-28690

Date: June 29, 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.

Language: C

Severity Score

Related Resources (6)

https://security.gentoo.org/glsa/202107-30
https://xenbits.xenproject.org/xsa/advisory-377.txt
https://nvd.nist.gov/vuln/detail/CVE-2021-28690
https://security-tracker.debian.org/tracker/CVE-2021-28690
https://security.alpinelinux.org/vuln/CVE-2021-28690
https://www.mend.io/vulnerability-database/CVE-2021-28690

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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