Amazon Linux 2 Security Advisory: ALAS-2021-1663
Advisory Release Date: 2021-06-16 20:37 Pacific
Advisory Updated Date: 2021-06-22 22:38 Pacific
Severity:
Medium
Issue Overview:
A flaw was found in the Intel Advanced Vector Extensions (AVX) implementation, where a local authenticated attacker with the ability to execute AVX instructions can gather the AVX register state from previous AVX executions. This vulnerability allows information disclosure of the AVX register state. (CVE-2020-8696)
Affected Packages:
microcode_ctl
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update microcode_ctl to update your system.
New Packages:
i686:
microcode_ctl-2.1-47.amzn2.0.9.i686
microcode_ctl-debuginfo-2.1-47.amzn2.0.9.i686
src:
microcode_ctl-2.1-47.amzn2.0.9.src
x86_64:
microcode_ctl-2.1-47.amzn2.0.9.x86_64
microcode_ctl-debuginfo-2.1-47.amzn2.0.9.x86_64