6.4 - RHSA-2017:0564

Problem Description:

An update for libguestfs is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - x86_64 Red Hat Enterprise Linux Workstation (v. 6) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

3. Description:

The libguestfs packages contain a library, which is used for accessing and modifying virtual machine (VM) disk images.

Security Fix(es):

* An integer conversion flaw was found in the way OCaml's String handled its length. Certain operations on an excessively long String could trigger a buffer overflow or result in an information leak. (CVE-2015-8869)

Note: The libguestfs packages in this advisory were rebuilt with a fixed version of OCaml to address this issue.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 6.9 Release Notes and Red Hat Enterprise Linux 6.9 Technical Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1319086 - libguestfs-java: mismatch class version vs java dependency 1332090 - CVE-2015-8869 ocaml: sizes arguments are sign-extended from 32 to 64 bits 1388407 - virt-sysprep will fail detecting OS if "/usr" is a distinct partition mounted in "/" via fstab