Red Hat: 2013:0695-01: kernel: Important Advisory
Summary
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
This update fixes the following security issue:
* A race condition was found in the way the Linux kernel's ptrace
implementation handled PTRACE_SETREGS requests when the debuggee was woken
due to a SIGKILL signal instead of being stopped. A local, unprivileged
user could use this flaw to escalate their privileges. (CVE-2013-0871,
Important)
Users should upgrade to these updated packages, which contain a backported
patch to correct this issue. The system must be rebooted for this update to
take effect.
Summary
Solution
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258
To install kernel packages manually, use "rpm -ivh [package]". Do not
use "rpm -Uvh" as that will remove the running kernel binaries from
your system. You may use "rpm -e" to remove old kernels after
determining that the new kernel functions properly on your system.
References
https://www.redhat.com/security/data/cve/CVE-2013-0871.html https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux EUS (v. 5.6 server):
Source:
kernel-2.6.18-238.49.1.el5.src.rpm
i386:
kernel-2.6.18-238.49.1.el5.i686.rpm
kernel-PAE-2.6.18-238.49.1.el5.i686.rpm
kernel-PAE-debuginfo-2.6.18-238.49.1.el5.i686.rpm
kernel-PAE-devel-2.6.18-238.49.1.el5.i686.rpm
kernel-debug-2.6.18-238.49.1.el5.i686.rpm
kernel-debug-debuginfo-2.6.18-238.49.1.el5.i686.rpm
kernel-debug-devel-2.6.18-238.49.1.el5.i686.rpm
kernel-debuginfo-2.6.18-238.49.1.el5.i686.rpm
kernel-debuginfo-common-2.6.18-238.49.1.el5.i686.rpm
kernel-devel-2.6.18-238.49.1.el5.i686.rpm
kernel-headers-2.6.18-238.49.1.el5.i386.rpm
kernel-xen-2.6.18-238.49.1.el5.i686.rpm
kernel-xen-debuginfo-2.6.18-238.49.1.el5.i686.rpm
kernel-xen-devel-2.6.18-238.49.1.el5.i686.rpm
ia64:
kernel-2.6.18-238.49.1.el5.ia64.rpm
kernel-debug-2.6.18-238.49.1.el5.ia64.rpm
kernel-debug-debuginfo-2.6.18-238.49.1.el5.ia64.rpm
kernel-debug-devel-2.6.18-238.49.1.el5.ia64.rpm
kernel-debuginfo-2.6.18-238.49.1.el5.ia64.rpm
kernel-debuginfo-common-2.6.18-238.49.1.el5.ia64.rpm
kernel-devel-2.6.18-238.49.1.el5.ia64.rpm
kernel-headers-2.6.18-238.49.1.el5.ia64.rpm
kernel-xen-2.6.18-238.49.1.el5.ia64.rpm
kernel-xen-debuginfo-2.6.18-238.49.1.el5.ia64.rpm
kernel-xen-devel-2.6.18-238.49.1.el5.ia64.rpm
noarch:
kernel-doc-2.6.18-238.49.1.el5.noarch.rpm
ppc:
kernel-2.6.18-238.49.1.el5.ppc64.rpm
kernel-debug-2.6.18-238.49.1.el5.ppc64.rpm
kernel-debug-debuginfo-2.6.18-238.49.1.el5.ppc64.rpm
kernel-debug-devel-2.6.18-238.49.1.el5.ppc64.rpm
kernel-debuginfo-2.6.18-238.49.1.el5.ppc64.rpm
kernel-debuginfo-common-2.6.18-238.49.1.el5.ppc64.rpm
kernel-devel-2.6.18-238.49.1.el5.ppc64.rpm
kernel-headers-2.6.18-238.49.1.el5.ppc.rpm
kernel-headers-2.6.18-238.49.1.el5.ppc64.rpm
kernel-kdump-2.6.18-238.49.1.el5.ppc64.rpm
kernel-kdump-debuginfo-2.6.18-238.49.1.el5.ppc64.rpm
kernel-kdump-devel-2.6.18-238.49.1.el5.ppc64.rpm
s390x:
kernel-2.6.18-238.49.1.el5.s390x.rpm
kernel-debug-2.6.18-238.49.1.el5.s390x.rpm
kernel-debug-debuginfo-2.6.18-238.49.1.el5.s390x.rpm
kernel-debug-devel-2.6.18-238.49.1.el5.s390x.rpm
kernel-debuginfo-2.6.18-238.49.1.el5.s390x.rpm
kernel-debuginfo-common-2.6.18-238.49.1.el5.s390x.rpm
kernel-devel-2.6.18-238.49.1.el5.s390x.rpm
kernel-headers-2.6.18-238.49.1.el5.s390x.rpm
kernel-kdump-2.6.18-238.49.1.el5.s390x.rpm
kernel-kdump-debuginfo-2.6.18-238.49.1.el5.s390x.rpm
kernel-kdump-devel-2.6.18-238.49.1.el5.s390x.rpm
x86_64:
kernel-2.6.18-238.49.1.el5.x86_64.rpm
kernel-debug-2.6.18-238.49.1.el5.x86_64.rpm
kernel-debug-debuginfo-2.6.18-238.49.1.el5.x86_64.rpm
kernel-debug-devel-2.6.18-238.49.1.el5.x86_64.rpm
kernel-debuginfo-2.6.18-238.49.1.el5.x86_64.rpm
kernel-debuginfo-common-2.6.18-238.49.1.el5.x86_64.rpm
kernel-devel-2.6.18-238.49.1.el5.x86_64.rpm
kernel-headers-2.6.18-238.49.1.el5.x86_64.rpm
kernel-xen-2.6.18-238.49.1.el5.x86_64.rpm
kernel-xen-debuginfo-2.6.18-238.49.1.el5.x86_64.rpm
kernel-xen-devel-2.6.18-238.49.1.el5.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/#package
Topic
Updated kernel packages that fix one security issue are now available forRed Hat Enterprise Linux 5.6 Extended Update Support.The Red Hat Security Response Team has rated this update as havingimportant security impact. A Common Vulnerability Scoring System (CVSS)base score, which gives a detailed severity rating, is available from theCVE link in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux EUS (v. 5.6 server) - i386, ia64, noarch, ppc, s390x, x86_64
Bugs Fixed
911937 - CVE-2013-0871 kernel: race condition with PTRACE_SETREGS