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====================================================================                   
Red Hat Security Advisory

Synopsis:          Low: blktrace security update
Advisory ID:       RHSA-2019:2162-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:2162
Issue date:        2019-08-06
CVE Names:         CVE-2018-10689
====================================================================
1. Summary:

An update for blktrace is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Low. 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 Client (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

The blktrace packages contain a number of utilities to record the I/O trace
information for the kernel to user space, and utilities to analyze and view
the trace information.

Security Fix(es):

* blktrace: buffer overflow in the dev_map_read function in btt/devmap.c
(CVE-2018-10689)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.7 Release 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/):

1575119 - CVE-2018-10689 blktrace: buffer overflow in the dev_map_read function in btt/devmap.c

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
blktrace-1.0.5-9.el7.src.rpm

x86_64:
blktrace-1.0.5-9.el7.x86_64.rpm
blktrace-debuginfo-1.0.5-9.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
blktrace-1.0.5-9.el7.src.rpm

x86_64:
blktrace-1.0.5-9.el7.x86_64.rpm
blktrace-debuginfo-1.0.5-9.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
blktrace-1.0.5-9.el7.src.rpm

ppc64:
blktrace-1.0.5-9.el7.ppc64.rpm
blktrace-debuginfo-1.0.5-9.el7.ppc64.rpm

ppc64le:
blktrace-1.0.5-9.el7.ppc64le.rpm
blktrace-debuginfo-1.0.5-9.el7.ppc64le.rpm

s390x:
blktrace-1.0.5-9.el7.s390x.rpm
blktrace-debuginfo-1.0.5-9.el7.s390x.rpm

x86_64:
blktrace-1.0.5-9.el7.x86_64.rpm
blktrace-debuginfo-1.0.5-9.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
blktrace-1.0.5-9.el7.src.rpm

x86_64:
blktrace-1.0.5-9.el7.x86_64.rpm
blktrace-debuginfo-1.0.5-9.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-10689
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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