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Gmane
From: Errata Announcements for Oracle Linux <el-errata <at> oss.oracle.com>
Subject: ELSA-2012-2026 Important: Oracle Linux 6 Unbreakable Enterprise kernel Security update
Newsgroups: gmane.linux.oracle.el-errata
Date: Wednesday 18th July 2012 19:05:42 UTC (over 4 years ago)
Oracle Linux Security Advisory ELSA-2012-2026

The following updated rpms for Oracle Linux 6 have been uploaded to the 
Unbreakable Linux Network:

i386:
kernel-uek-2.6.32-300.29.2.el6uek.i686.rpm
kernel-uek-debug-2.6.32-300.29.2.el6uek.i686.rpm
kernel-uek-debug-devel-2.6.32-300.29.2.el6uek.i686.rpm
kernel-uek-headers-2.6.32-300.29.2.el6uek.i686.rpm
kernel-uek-devel-2.6.32-300.29.2.el6uek.i686.rpm
kernel-uek-doc-2.6.32-300.29.2.el6uek.noarch.rpm
kernel-uek-firmware-2.6.32-300.29.2.el6uek.noarch.rpm
ofa-2.6.32-300.29.2.el6uek-1.5.1-4.0.58.i686.rpm
ofa-2.6.32-300.29.2.el6uekdebug-1.5.1-4.0.58.i686.rpm
mlnx_en-2.6.32-300.29.2.el6uek-1.5.7-0.1.i686.rpm
mlnx_en-2.6.32-300.29.2.el6uekdebug-1.5.7-0.1.i686.rpm

x86_64:
kernel-uek-firmware-2.6.32-300.29.2.el6uek.noarch.rpm
kernel-uek-doc-2.6.32-300.29.2.el6uek.noarch.rpm
kernel-uek-2.6.32-300.29.2.el6uek.x86_64.rpm
kernel-uek-headers-2.6.32-300.29.2.el6uek.x86_64.rpm
kernel-uek-devel-2.6.32-300.29.2.el6uek.x86_64.rpm
kernel-uek-debug-devel-2.6.32-300.29.2.el6uek.x86_64.rpm
kernel-uek-debug-2.6.32-300.29.2.el6uek.x86_64.rpm
ofa-2.6.32-300.29.2.el6uek-1.5.1-4.0.58.x86_64.rpm
ofa-2.6.32-300.29.2.el6uekdebug-1.5.1-4.0.58.x86_64.rpm
mlnx_en-2.6.32-300.29.2.el6uek-1.5.7-0.1.x86_64.rpm
mlnx_en-2.6.32-300.29.2.el6uekdebug-1.5.7-0.1.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol6/SRPMS-updates/kernel-uek-2.6.32-300.29.2.el6uek.src.rpm
http://oss.oracle.com/ol6/SRPMS-updates/ofa-2.6.32-300.29.2.el6uek-1.5.1-4.0.58.src.rpm
http://oss.oracle.com/ol6/SRPMS-updates/mlnx_en-2.6.32-300.29.2.el6uek-1.5.7-0.1.src.rpm


Users with Oracle Linux Premier Support can now use Ksplice to patch
against this Security Advisory.

We recommend that all users of Oracle Linux 6 install these updates.

Users of Ksplice Uptrack can install these updates by running :

# /usr/sbin/uptrack-upgrade -y
On systems that have "autoinstall = yes" in /etc/uptrack/uptrack.conf,
these updates will be installed automatically and you do not need to
take any additional action.

Description of changes:

* CVE-2012-2745: Denial-of-service in kernel key management.

A potential double-free of the replacement session keyring on fork()
could result in a denial-of-service by a local, unprivileged user.


* CVE-2011-1083: Algorithmic denial of service in epoll.

A flaw was found in the way the Linux kernel's Event Poll (epoll)
subsystem handled large, nested epoll structures. A local,
unprivileged user could use this flaw to cause a denial of service.


[2.6.32-300.29.2.el6uek]
- epoll: epoll_wait() should not use timespec_add_ns() (Eric Dumazet)
- epoll: clear the tfile_check_list on -ELOOP (Joe Jin)  {CVE-2012-3375}
- Don't limit non-nested epoll paths (Jason Baron)
- epoll: kabi fixups for epoll limit wakeup paths (Joe Jin) {CVE-2011-1083}
- epoll: limit paths (Jason Baron)  {CVE-2011-1083}
- eventpoll: fix comment typo 'evenpoll' (Paul Bolle)
- epoll: fix compiler warning and optimize the non-blocking path (Shawn 
Bohrer)
- epoll: move ready event check into proper inline (Davide Libenzi)
- epoll: make epoll_wait() use the hrtimer range feature (Shawn Bohrer)
- select: rename estimate_accuracy() to select_estimate_accuracy() 
(Andrew Morton)
- cred: copy_process() should clear child->replacement_session_keyring
(Oleg
   Nesterov)  {CVE-2012-2745}
 
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