httpd.worker - kernel killer?

[Jakub Bogusz]

On Sat, Jul 14, 2007 at 01:59:35PM +0200, Jakub Bogusz wrote:
[...]
> Uh, what a bug. This function dereferenced already freed entries in
> grsec's connection table.
> Affects grsec both full and minimal for Linux 2.6.16 through 2.6.18.
> In 2.6.19 code has changed, so gr_del_task_from_ip_table is moved in
> proper place once again.

Forgot to mention, bug is irrelevant to Xen.
Strange that it wasn't revealed before.
Maybe Xen does something with kernel pages unmapping, so it's easier to
hit something bad and get an Oops.


-- 
Jakub Bogusz    http://qboosh.pl/