SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
(Oracle Issues Fix for Oracle Linux) Linux Kernel Race Condition in N_HLDC Driver Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1038379
SecurityTracker URL:  http://securitytracker.com/id/1038379
CVE Reference:   CVE-2017-2636   (Links to External Site)
Date:  May 1 2017
Impact:   Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Oracle Linux 6
Description:   A vulnerability was reported in the Linux kernel. A local user can obtain elevated privileges on the target system.

A local user that can set the HDLC line discipline on the tty device can trigger a race condition and double free memory in the N_HLDC Linux kernel driver to gain elevated privileges on the target system.

Impact:   A local user can obtain elevated privileges on the target system.
Solution:   Oracle has issued a fix.

The Oracle Linux advisory is available at:

http://linux.oracle.com/errata/ELSA-2017-0892-1.html

Vendor URL:  linux.oracle.com/errata/ELSA-2017-0892-1.html (Links to External Site)
Cause:   Access control error

Message History:   This archive entry is a follow-up to the message listed below.
Mar 7 2017 Linux Kernel Race Condition in N_HLDC Driver Lets Local Users Gain Elevated Privileges



 Source Message Contents

Subject:  [El-errata] ELSA-2017-0892-1 Important: Oracle Linux 6 kernel security and bug fix update

Oracle Linux Security Advisory ELSA-2017-0892-1

http://linux.oracle.com/errata/ELSA-2017-0892-1.html

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

i386:
kernel-2.6.32-696.1.1.0.1.el6.i686.rpm
kernel-abi-whitelists-2.6.32-696.1.1.0.1.el6.noarch.rpm
kernel-debug-2.6.32-696.1.1.0.1.el6.i686.rpm
kernel-debug-devel-2.6.32-696.1.1.0.1.el6.i686.rpm
kernel-devel-2.6.32-696.1.1.0.1.el6.i686.rpm
kernel-doc-2.6.32-696.1.1.0.1.el6.noarch.rpm
kernel-firmware-2.6.32-696.1.1.0.1.el6.noarch.rpm
kernel-headers-2.6.32-696.1.1.0.1.el6.i686.rpm
perf-2.6.32-696.1.1.0.1.el6.i686.rpm
python-perf-2.6.32-696.1.1.0.1.el6.i686.rpm

x86_64:
kernel-2.6.32-696.1.1.0.1.el6.x86_64.rpm
kernel-abi-whitelists-2.6.32-696.1.1.0.1.el6.noarch.rpm
kernel-debug-2.6.32-696.1.1.0.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-696.1.1.0.1.el6.i686.rpm
kernel-debug-devel-2.6.32-696.1.1.0.1.el6.x86_64.rpm
kernel-devel-2.6.32-696.1.1.0.1.el6.x86_64.rpm
kernel-doc-2.6.32-696.1.1.0.1.el6.noarch.rpm
kernel-firmware-2.6.32-696.1.1.0.1.el6.noarch.rpm
kernel-headers-2.6.32-696.1.1.0.1.el6.x86_64.rpm
perf-2.6.32-696.1.1.0.1.el6.x86_64.rpm
python-perf-2.6.32-696.1.1.0.1.el6.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol6/SRPMS-updates/kernel-2.6.32-696.1.1.0.1.el6.src.rpm



Description of changes:

[2.6.32-696.1.1.0.1.el6.OL6]
- [kernel] sched/fair: Initialize throttle_count for new task-groups lazily [orabug 25071015]
- [kernel] sched/fair: Do not announce throttled next buddy in dequeue_task_fair() [orabug 25071015]
- [kernel] sched/fair: Reorder cgroup creation code [orabug 25071015]
- [kernel] sched/fair: Rework throttle_count sync [orabug 25071015]
- Update genkey [bug 25599697]


_______________________________________________
El-errata mailing list
El-errata@oss.oracle.com
https://oss.oracle.com/mailman/listinfo/el-errata
 
 


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2022, SecurityGlobal.net LLC