From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: "Michal Koutný" <mkoutny@suse.com>
Cc: cve@kernel.org, linux-kernel@vger.kernel.org,
Jesse Zhang <Jesse.Zhang@amd.com>, Tim Huang <Tim.Huang@amd.com>,
Alex Deucher <alexander.deucher@amd.com>
Subject: Re: CVE-2024-46805: drm/amdgpu: fix the waring dereferencing hive
Date: Mon, 30 Sep 2024 20:27:36 +0200 [thread overview]
Message-ID: <2024093010-itunes-helper-82ef@gregkh> (raw)
In-Reply-To: <fwxfulgwpt3f6hijwg6vh4ujrfq2lj3wvp4kq4sm2hbptmp6f7@7nybfmvb7ihr>
On Mon, Sep 30, 2024 at 08:17:16PM +0200, Michal Koutný wrote:
> Hello.
>
> On Fri, Sep 27, 2024 at 02:36:10PM GMT, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote:
> > In the Linux kernel, the following vulnerability has been resolved:
> >
> > drm/amdgpu: fix the waring dereferencing hive
> >
> > Check the amdgpu_hive_info *hive that maybe is NULL.
>
> This "fix" introduces (or transforms) a CVE for panic_on_warn=1 users
> (if the NULL is reachable by unprivileged users).
That it does.
> The NULL ptr dereference thus needs a better fix (I checked in
> v6.12-rc1).
Please submit one for inclusion :)
thanks,
greg k-h
prev parent reply other threads:[~2024-09-30 18:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-27 12:36 CVE-2024-46805: drm/amdgpu: fix the waring dereferencing hive Greg Kroah-Hartman
2024-09-30 18:17 ` Michal Koutný
2024-09-30 18:27 ` Greg Kroah-Hartman [this message]
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