RHSA-2014:0512: Important: kernel security update
First published: Mon May 19 2014(Updated: )
The kernel packages contain the Linux kernel, the core of any Linux<br>operating system.<br><li> A race condition flaw, leading to heap-based buffer overflows, was found</li> in the way the Linux kernel's N_TTY line discipline (LDISC) implementation<br>handled concurrent processing of echo output and TTY write operations<br>originating from user space when the underlying TTY driver was PTY.<br>An unprivileged, local user could use this flaw to crash the system or,<br>potentially, escalate their privileges on the system. (CVE-2014-0196,<br>Important)<br>All kernel users are advised to upgrade to these updated packages, which<br>contain a backported patch to correct this issue. The system must be<br>rebooted for this update to take effect.<br>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-debug | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-debug-debuginfo | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-debug-devel | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-debuginfo | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-devel | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-doc | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-firmware | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-headers | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/perf | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/perf-debuginfo | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/python-perf | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/python-perf-debuginfo | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-debug | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-debug-debuginfo | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-debug-devel | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-debuginfo | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-debuginfo-common-i686 | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-devel | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-headers | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/perf | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/perf-debuginfo | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/python-perf | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/python-perf-debuginfo | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-debuginfo-common-s390x | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-kdump | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-kdump-debuginfo | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-kdump-devel | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-bootwrapper | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
| redhat/kernel-debuginfo-common-ppc64 | <2.6.32-279.43.2.el6 | 2.6.32-279.43.2.el6 |
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Reference Links
Frequently Asked Questions
What is the severity of RHSA-2014:0512?
The severity of RHSA-2014:0512 is classified as important.
How do I fix RHSA-2014:0512?
To fix RHSA-2014:0512, upgrade to kernel version 2.6.32-279.43.2.el6 or later.
What types of vulnerabilities does RHSA-2014:0512 address?
RHSA-2014:0512 addresses a race condition flaw that can lead to heap-based buffer overflows in the Linux kernel.
What systems are affected by RHSA-2014:0512?
RHSA-2014:0512 affects systems running the Red Hat Enterprise Linux kernel version prior to 2.6.32-279.43.2.el6.
Is there a specific package to update for RHSA-2014:0512?
Yes, you need to update the kernel package and any associated kernel packages to 2.6.32-279.43.2.el6.
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