[security-alerts] FW: [SA17761] Linux Kernel ptrace Denial of Service Vulnerability

["Kazennov, Vladimir" <Vladimir.Kazennov@xxxxxxxxxx>]

> 
> 
> TITLE:
> Linux Kernel ptrace Denial of Service Vulnerability
> 
> SECUNIA ADVISORY ID:
> SA17761
> 
> VERIFY ADVISORY:
> http://secunia.com/advisories/17761/
> 
> CRITICAL:
> Not critical
> 
> IMPACT:
> DoS
> 
> WHERE:
> Local system
> 
> DESCRIPTION:
> A vulnerability has been reported in the Linux Kernel, which
> potentially can be exploited by malicious, local users to cause a DoS
> (Denial of Service).
> 
> The vulnerability is caused due to a missing check of the thread's
> group ID in ptrace.c when trying to determine whether the process is
> attempting to attach to itself when CLONE_THREAD is used. This may be
> exploited to cause a kernel crash.
> 
> The vulnerability has been reported in versions prior to 2.6.14.2.
> 
> SOLUTION:
> Update to version 2.6.14.2 or later.
> http://www.kernel.org/
> 
> PROVIDED AND/OR DISCOVERED BY:
> Reported by vendor.
> 
> ORIGINAL ADVISORY:
> Kernel.org:
> http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14.2
> http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6
> .14.y.git;a=commit;h=082d52c56f642d21b771a13221068d40915a1409
> 
> Red Hat Bugzilla:
> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174075
> 
> ----------------------------------------------------------------------