Bug 177499 - CVE-2006-0035 netlink DoS
Summary: CVE-2006-0035 netlink DoS
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Enterprise Linux 2.1
Classification: Red Hat
Component: kernel
Version: 2.1
Hardware: i386
OS: Linux
medium
high
Target Milestone: ---
Assignee: Don Howard
QA Contact: Brian Brock
URL:
Whiteboard: reported=20060109,public=2006010:2102...
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2006-01-11 10:26 UTC by Mark J. Cox
Modified: 2007-11-30 22:06 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2006-01-12 00:48:35 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)

Description Mark J. Cox 2006-01-11 10:26:31 UTC
NOTE: We have not verified if this issue affects RHEL2.1, see private reproducer
in #177496

+++ This bug was initially created as a clone of Bug #177496 +++

A netlink message with nlmsg_len set to 0 can cause an infinite loop holding the
netlink semaphore therefore allowing a local unprivileged DoS.

Here is the upstream fix for this issue:

http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ad8e4b75c8a7bed475d72ce09bf526718862196

Comment 1 Don Howard 2006-01-12 00:48:35 UTC
This patch above does not appear to apply to any redhat trees.
I was unable to reproduce the report on pensacola.


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