CVE-2021-28690
6.5
MEDIUM
CVSS 3.1
EPSS 0.36%
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.
How to fix CVE-2021-28690
To remediate CVE-2021-28690, upgrade the affected package to a fixed version below.
- —upgrade to 4.13.3-r1 or later
- —upgrade to 4.14.2+25-gb6a8c4f72d-1 or later
Is CVE-2021-28690 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.13.3-r1
- from 0, < 4.14.2+25-gb6a8c4f72d-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |