ALAS2-2018-1046


Amazon Linux 2 Security Advisory: ALAS-2018-1046
Advisory Release Date: 2018-07-24 21:23 Pacific
Severity: Medium
References: CVE-2018-11412 

Issue Overview:

The fs/ext4/inline.c:ext4_read_inline_data() function in the Linux kernel performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode. The unbound copy can cause memory corruption or possible privilege escalation.(CVE-2018-11412 )


Affected Packages:

kernel


Issue Correction:
Run yum update kernel and restart the instance to update your system.

New Packages:
i686:
    kernel-headers-4.14.55-68.37.amzn2.i686

src:
    kernel-4.14.55-68.37.amzn2.src

x86_64:
    kernel-4.14.55-68.37.amzn2.x86_64
    kernel-headers-4.14.55-68.37.amzn2.x86_64
    kernel-debuginfo-common-x86_64-4.14.55-68.37.amzn2.x86_64
    perf-4.14.55-68.37.amzn2.x86_64
    perf-debuginfo-4.14.55-68.37.amzn2.x86_64
    python-perf-4.14.55-68.37.amzn2.x86_64
    python-perf-debuginfo-4.14.55-68.37.amzn2.x86_64
    kernel-tools-4.14.55-68.37.amzn2.x86_64
    kernel-tools-devel-4.14.55-68.37.amzn2.x86_64
    kernel-tools-debuginfo-4.14.55-68.37.amzn2.x86_64
    kernel-devel-4.14.55-68.37.amzn2.x86_64
    kernel-debuginfo-4.14.55-68.37.amzn2.x86_64