Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-28690

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.

Published

2021-06-29T12:15:08.513

Last Modified

2024-11-21T06:00:09.033

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	xen	xen	≤ 4.15.0	Yes
Operating System	xen	xen	4.15.0	Yes

References

https://security.gentoo.org/glsa/202107-30 Third Party Advisory ([email protected])
https://xenbits.xenproject.org/xsa/advisory-377.txt Patch, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/202107-30 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://xenbits.xenproject.org/xsa/advisory-377.txt Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)