ALAS-2017-897


Amazon Linux AMI Security Advisory: ALAS-2017-897
Advisory Release Date: 2017-09-18 18:28 Pacific
Severity: Medium
References: CVE-2017-12134 

Issue Overview:

The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation. (CVE-2017-12134 )


Affected Packages:

kernel


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

New Packages:
i686:
    kernel-devel-4.9.43-17.39.amzn1.i686
    kernel-tools-4.9.43-17.39.amzn1.i686
    perf-debuginfo-4.9.43-17.39.amzn1.i686
    kernel-headers-4.9.43-17.39.amzn1.i686
    kernel-tools-devel-4.9.43-17.39.amzn1.i686
    perf-4.9.43-17.39.amzn1.i686
    kernel-debuginfo-4.9.43-17.39.amzn1.i686
    kernel-debuginfo-common-i686-4.9.43-17.39.amzn1.i686
    kernel-4.9.43-17.39.amzn1.i686
    kernel-tools-debuginfo-4.9.43-17.39.amzn1.i686

noarch:
    kernel-doc-4.9.43-17.39.amzn1.noarch

src:
    kernel-4.9.43-17.39.amzn1.src

x86_64:
    kernel-debuginfo-common-x86_64-4.9.43-17.39.amzn1.x86_64
    kernel-tools-4.9.43-17.39.amzn1.x86_64
    perf-debuginfo-4.9.43-17.39.amzn1.x86_64
    perf-4.9.43-17.39.amzn1.x86_64
    kernel-tools-devel-4.9.43-17.39.amzn1.x86_64
    kernel-tools-debuginfo-4.9.43-17.39.amzn1.x86_64
    kernel-headers-4.9.43-17.39.amzn1.x86_64
    kernel-devel-4.9.43-17.39.amzn1.x86_64
    kernel-debuginfo-4.9.43-17.39.amzn1.x86_64
    kernel-4.9.43-17.39.amzn1.x86_64