Medium: systemd

Issue Overview:

Access to automounted volumes can lock up
A race condition was found in systemd. This could result in automount requests not being serviced and processes using them could hang, causing denial of service.(CVE-2018-1049)

Affected Packages:

systemd

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 systemd to update your system.

New Packages:

src:  
    systemd-219-42.amzn2.7.src  
  
x86_64:  
    systemd-219-42.amzn2.7.x86_64  
    systemd-libs-219-42.amzn2.7.x86_64  
    systemd-devel-219-42.amzn2.7.x86_64  
    systemd-sysv-219-42.amzn2.7.x86_64  
    systemd-python-219-42.amzn2.7.x86_64  
    libgudev1-219-42.amzn2.7.x86_64  
    libgudev1-devel-219-42.amzn2.7.x86_64  
    systemd-journal-gateway-219-42.amzn2.7.x86_64  
    systemd-networkd-219-42.amzn2.7.x86_64  
    systemd-resolved-219-42.amzn2.7.x86_64  
    systemd-debuginfo-219-42.amzn2.7.x86_64  

Additional References

Red Hat: CVE-2018-1049

Mitre: CVE-2018-1049