Important: kernel

Issue Overview:

Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c:
A flaw was found in the Linux kernel’s implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory. (CVE-2018-1068)

Affected Packages:

kernel

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update kernel to update your system. You will need to reboot your system in order for the new kernel to be running.

New Packages:

noarch:  
    kernel-doc-4.9.85-47.59.amzn2.noarch  
  
src:  
    kernel-4.9.85-47.59.amzn2.src  
  
x86_64:  
    kernel-4.9.85-47.59.amzn2.x86_64  
    kernel-headers-4.9.85-47.59.amzn2.x86_64  
    kernel-debuginfo-common-x86_64-4.9.85-47.59.amzn2.x86_64  
    perf-4.9.85-47.59.amzn2.x86_64  
    perf-debuginfo-4.9.85-47.59.amzn2.x86_64  
    python-perf-4.9.85-47.59.amzn2.x86_64  
    python-perf-debuginfo-4.9.85-47.59.amzn2.x86_64  
    kernel-tools-4.9.85-47.59.amzn2.x86_64  
    kernel-tools-devel-4.9.85-47.59.amzn2.x86_64  
    kernel-tools-debuginfo-4.9.85-47.59.amzn2.x86_64  
    kernel-devel-4.9.85-47.59.amzn2.x86_64  
    kernel-debuginfo-4.9.85-47.59.amzn2.x86_64  

Additional References

Red Hat: CVE-2018-1068

Mitre: CVE-2018-1068