lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Message-ID: <2024052826-overpass-manliness-7f2c@gregkh>
Date: Tue, 28 May 2024 21:03:01 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Juergen Gross <jgross@...e.com>
Cc: cve@...nel.org, linux-cve-announce@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org>,
	"Xen.org security team" <security@....org>
Subject: Re: CVE-2021-47377: kernel: xen/balloon: use a kernel thread instead
 a workqueue

On Mon, May 27, 2024 at 12:58:16PM +0200, Juergen Gross wrote:
> Hi,
> 
> I'd like to dispute CVE-2021-47377: the issue fixed by upstream commit
> 8480ed9c2bbd56fc86524998e5f2e3e22f5038f6 can in no way be triggered by
> an unprivileged user or by a remote attack of the system, as it requires
> initiation of memory ballooning of the running system. This can be done
> only by either a host admin or by an admin of the guest which might
> suffer the detection of the hanging workqueue.
> 
> Please revoke this CVE.

Ah, good catch, this came in as part of the GSD import, and I missed
that this required that type of permissions.  Now revoked, thanks for
the review!

greg k-h

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ