Sicherheit: Pufferüberlauf in libunwind
||Pufferüberlauf in libunwind
||Red Hat Enterprise Linux OpenStack Platform
||Di, 25. August 2015, 06:49
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Red Hat Security Advisory
Synopsis: Low: libunwind security update
Advisory ID: RHSA-2015:1675-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-1675.html
Issue date: 2015-08-24
CVE Names: CVE-2015-3239
Updated libunwind packages that fix a security flaw are now available for
Red Hat Enterprise Linux OpenStack Platform 6.0.
Red Hat Product Security has rated this update as having Low security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux OpenStack Platform 6.0 for RHEL 7 - x86_64
Libunwind provides a C ABI to determine the call-chain of a program.
An off by one array indexing error was found in libunwind. It is unlikely
that any exploitable attack vector exists in current builds or supported
This issue was discovered by Paolo Bonzini of Red Hat.
All users of libunwind are advised to upgrade to these updated packages,
which correct this issue.
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
For details on how to apply this update, refer to:
5. Bugs fixed (https://bugzilla.redhat.com/):
1232265 - CVE-2015-3239 libunwind: off-by-one in dwarf_to_unw_regnum()
6. Package List:
Red Hat Enterprise Linux OpenStack Platform 6.0 for RHEL 7:
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <email@example.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2015 Red Hat, Inc.
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