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Related Vulnerabilities: CVE-2020-8696

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)

Source

ALAS2-2021-1663

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

References: CVE-2020-8696

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

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

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ALAS2-2021-1663

ALAS2-2021-1663

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