[prev in list] [next in list] [prev in thread] [next in thread] 

List:       oss-security
Subject:    Re: [oss-security] Our learnings from 42 Linux kernel exploits, we are limiting io_uring
From:       Solar Designer <solar () openwall ! com>
Date:       2023-07-25 14:09:04
Message-ID: 20230725140904.GA8733 () openwall ! com
[Download RAW message or body]

On Tue, Jul 25, 2023 at 02:31:55PM +0200, Marcus Meissner wrote:
> https://yanglingxi1993.github.io/dirty_pagetable/dirty_pagetable.html
> 
> has been updated with exploit information.
> 
> I tried to backtrack through kernel git to find the exact commit where
> this locking problem got fixed, but I gave up after a while after multiple
> refactoring (and a filemove) in the io_uring codel.

I guess it's this:

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=fb348857e7b67eefe365052f1423427b66dedbf3


as mentioned in:

https://twitter.com/VAR10CK/status/1683303642173153280

Alexander


[prev in list] [next in list] [prev in thread] [next in thread]