oss-sec mailing list archives

Re: Privilege escalation with kill(-1, SIGKILL) in XNU kernel of macOS High Sierra

From: Hunger <hunger () hunger hu>
Date: Thu, 12 Oct 2017 12:52:05 +0200

On Thu, Oct 12, 2017 at 4:00 AM, Kurt Seifried <kseifried () redhat com> wrote:

So I normally wouldn't accept this posting (and no doubt Solar will be
annoyed because this isn't Open Source per se, and he's 100% right) but
this posting does provide a good teachable moment.



And here's the teachable moment for you...


The XNU kernel is Open Source:

https://opensource.apple.com/source/xnu/xnu-4570.1.46/

The Apple Public Source License 2.0 approved by the OSI:

https://opensource.org/licenses/APSL-2.0

Current thread:

Privilege escalation with kill(-1, SIGKILL) in XNU kernel of macOS High Sierra Shea Levy (Oct 11)
- Re: Privilege escalation with kill(-1, SIGKILL) in XNU kernel of macOS High Sierra Kurt Seifried (Oct 11)
  - Re: Privilege escalation with kill(-1, SIGKILL) in XNU kernel of macOS High Sierra Hunger (Oct 12)
    - Re: Privilege escalation with kill(-1, SIGKILL) in XNU kernel of macOS High Sierra Roman Medina-Heigl Hernandez (Oct 12)
- Re: Privilege escalation with kill(-1, SIGKILL) in XNU kernel of macOS High Sierra Graham Christensen (Oct 12)