ALAS-2019-1222


Amazon Linux AMI Security Advisory: ALAS-2019-1222
Advisory Release Date: 2019-06-17 17:58 Pacific
Severity: Critical

Issue Overview:

CVE-2019-11477 , CVE-2019-11478 and CVE-2019-11479 describe vulnerabilities in the Linux kernel that can be remotely exploited using a specially crafted TCP connection, crashing the targeted system.

The latest Amazon Linux AMIs as available in AWS EC2 already contain these kernels and are not vulnerable.


Affected Packages:

kernel


Issue Correction:
Run yum update kernel and reboot to update your system.

New Packages:
i686:
    kernel-debuginfo-4.14.123-86.109.amzn1.i686
    perf-debuginfo-4.14.123-86.109.amzn1.i686
    kernel-tools-4.14.123-86.109.amzn1.i686
    kernel-devel-4.14.123-86.109.amzn1.i686
    kernel-tools-debuginfo-4.14.123-86.109.amzn1.i686
    kernel-tools-devel-4.14.123-86.109.amzn1.i686
    kernel-4.14.123-86.109.amzn1.i686
    kernel-debuginfo-common-i686-4.14.123-86.109.amzn1.i686
    kernel-headers-4.14.123-86.109.amzn1.i686
    perf-4.14.123-86.109.amzn1.i686

src:
    kernel-4.14.123-86.109.amzn1.src

x86_64:
    kernel-devel-4.14.123-86.109.amzn1.x86_64
    kernel-tools-4.14.123-86.109.amzn1.x86_64
    kernel-tools-devel-4.14.123-86.109.amzn1.x86_64
    kernel-debuginfo-4.14.123-86.109.amzn1.x86_64
    kernel-headers-4.14.123-86.109.amzn1.x86_64
    kernel-tools-debuginfo-4.14.123-86.109.amzn1.x86_64
    perf-debuginfo-4.14.123-86.109.amzn1.x86_64
    kernel-4.14.123-86.109.amzn1.x86_64
    kernel-debuginfo-common-x86_64-4.14.123-86.109.amzn1.x86_64
    perf-4.14.123-86.109.amzn1.x86_64