Re: CVE-2024-26908: x86/xen: Add some null pointer checking to smp.c

[Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>]

On Mon, Apr 29, 2024 at 01:53:44PM +0200, Juergen Gross wrote:
> Hi,
> 
> I'd like to dispute CVE-2024-26908: the issue fixed by upstream commit
> 3693bb4465e6e32a204a5b86d3ec7e6b9f7e67c2 can in no way be triggered by
> an unprivileged user or by a remote attack of the system, as it requires
> hotplug of (virtual) cpus to the running system. This can be done only by
> either a host admin or by an admin of the guest which might suffer the
> out-of-memory situation.
> 
> Please revoke this CVE.

Sorry for the delay, thanks for looking into this and letting us know.
It's now rejected.

greg k-h