- Vulnerability/
- RHSA-2018:1349
RHSA-2018:1349: Moderate: kernel security and bug fix update
First published: Tue May 08 2018(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux operating system.<br>Security Fix(es):<br><li> Kernel: error in exception handling leads to DoS (CVE-2018-8897)</li> For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.<br>Red Hat would like to thank Nick Peterson (Everdox Tech LLC) and Andy Lutomirski for reporting this issue.<br>Bug Fix(es):<br><li> The kernel build requirements have been updated to the GNU Compiler Collection (GCC) compiler version that has the support for Retpolines. The Retpolines mechanism is a software construct that leverages specific knowledge of the underlying hardware to mitigate the branch target injection, also known as Spectre variant 2 vulnerability described in CVE-2017-5715. (BZ#1554251)</li>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/kernel | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/kernel-debug | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/kernel-debug-debuginfo | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/kernel-debug-devel | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/kernel-debuginfo | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/kernel-devel | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/kernel-doc | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/kernel-firmware | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/kernel-headers | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/perf | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/perf-debuginfo | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/python-perf | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
| redhat/python-perf-debuginfo | <2.6.32-358.88.2.el6 | 2.6.32-358.88.2.el6 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2018:1349?
The severity of RHSA-2018:1349 is classified as moderate.
How do I fix RHSA-2018:1349?
To fix RHSA-2018:1349, update the kernel and associated packages to version 2.6.32-358.88.2.el6 or newer.
What vulnerability is addressed in RHSA-2018:1349?
RHSA-2018:1349 addresses a denial-of-service vulnerability caused by an error in exception handling (CVE-2018-8897).
Which packages are affected by RHSA-2018:1349?
The affected packages include kernel, kernel-debug, kernel-devel, and other related packages in the specified version range.
Do I need to reboot my system after applying the fix for RHSA-2018:1349?
Yes, a reboot is required to apply the kernel updates after fixing RHSA-2018:1349.
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