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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel VFS Deadlock Lets Local Users Cause Denial of Service Conditions on the Target System
SecurityTracker Alert ID:  1034051
SecurityTracker URL:  http://securitytracker.com/id/1034051
CVE Reference:   CVE-2014-8559   (Links to External Site)
Date:  Nov 4 2015
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in the Linux kernel. A local user can cause denial of service conditions on the target system.

A local user can trigger a flaw in the kernel's Virtual File System (VFS) subsystem in the handling of file system locks to trigger a kernel deadlock.

Impact:   A local user can cause the target system to hang.
Solution:   The vendor has issued a source code fix, available at:

https://git.kernel.org/linus/ca5358ef75fc69fee5322a38a340f5739d997c10
https://git.kernel.org/linus/946e51f2bf37f1656916eb75bd0742ba33983c28

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   State error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Nov 4 2015 (Red Hat Issues Fix for Red Hat Enterprise MRG) Linux Kernel VFS Deadlock Lets Local Users Cause Denial of Service Conditions on the Target System
Red Hat has issued a fix for Red Hat Enterprise MRG for Red Hat Enterprise Linux 6.
Nov 4 2015 (Red Hat Issues Fix) Linux Kernel VFS Deadlock Lets Local Users Cause Denial of Service Conditions on the Target System
Red Hat has issued a fix for Red Hat Enterprise Linux 7.
Nov 4 2015 (Red Hat Issues Fix) Linux Kernel VFS Deadlock Lets Local Users Cause Denial of Service Conditions on the Target System
Red Hat has issued a fix for Red Hat Enterprise Linux 7.
Nov 4 2015 (CentOS Issues Fix) Linux Kernel VFS Deadlock Lets Local Users Cause Denial of Service Conditions on the Target System
CentOS has issued a fix for CentOS Linux 7.



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