QID 352391

Date Published: 2021-06-24

QID 352391: Amazon Linux Security Advisory for microcode_ctl: ALAS2-2021-1663

<DIV ID="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 ) </DIV>

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

  • CVSS V3 rated as Medium - 5.5 severity.
  • CVSS V2 rated as Low - 2.1 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2021-1663 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352391

    CVE-2020-8696 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2021-1663 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2021-1663.html
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