Medium: libseccomp

Issue Overview:

libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons using the arithmetic operators (LT, GT, LE, GE), which might able to lead to bypassing seccomp filters and potential privilege escalations. (CVE-2019-9893)

Affected Packages:

libseccomp

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 libseccomp to update your system.

New Packages:

aarch64:  
    libseccomp-2.4.1-1.amzn2.aarch64  
    libseccomp-devel-2.4.1-1.amzn2.aarch64  
    libseccomp-static-2.4.1-1.amzn2.aarch64  
    libseccomp-debuginfo-2.4.1-1.amzn2.aarch64  
  
i686:  
    libseccomp-2.4.1-1.amzn2.i686  
    libseccomp-devel-2.4.1-1.amzn2.i686  
    libseccomp-static-2.4.1-1.amzn2.i686  
    libseccomp-debuginfo-2.4.1-1.amzn2.i686  
  
src:  
    libseccomp-2.4.1-1.amzn2.src  
  
x86_64:  
    libseccomp-2.4.1-1.amzn2.x86_64  
    libseccomp-devel-2.4.1-1.amzn2.x86_64  
    libseccomp-static-2.4.1-1.amzn2.x86_64  
    libseccomp-debuginfo-2.4.1-1.amzn2.x86_64  

Additional References

Red Hat: CVE-2019-9893

Mitre: CVE-2019-9893