What is Ghost i.e security hole in the Linux?

[Kevin Cummings]

On 01/28/2015 01:19 PM, Matthew Miller wrote:
> On Wed, Jan 28, 2015 at 02:21:41PM +0000, Norah Jones wrote:
>> Can someone describe in detail about the Ghost security hole. And is
>> there any patch or a solution to fix it?
> 
> This was a problem fixed in glibc 2.18, so that version, as shipped in
> F20, and 2.20, as we have in F21, are not vulnerable. If you are
> running F19 or earlier, you should update.

I installed the F20 glibc on my F19 system.  The ghosttest.c test
program now shows my F19 as no longer vulnerable.

# yum --releasever=20 update glibc

YMMV

> If you're running (a supported version of) a different Linux
> distribution with an old version, patches are likely available.

-- 
Kevin J. Cummings
kjchome at verizon.net
cummings at kjchome.homeip.net
cummings at kjc386.framingham.ma.us
Registered Linux User #1232 (http://www.linuxcounter.net/)