Re: qemu: CVE-2016-7116

2016-09-06 Thread Hugo Lefeuvre
Hi Balint, > I took the liberty of claiming qemu-kvm for you in dla-needed.txt. Thanks ! > There are also new issues reported today for qemu. I've had a quick look at them, but I'd like to fix CVE-2016-7116 firstly. In fact, reproducing this issue turned out to be a bit more difficult than

Re: qemu: CVE-2016-7116

2016-09-05 Thread Thorsten Alteholz
Hi Hugo and Guido, On Mon, 5 Sep 2016, Hugo Lefeuvre wrote: There are several "versions" of Plan 9 currently. The Bell one, which is rather inactive, and forked one, 9front, which seems to be under active development[0]. oh, great, I "found" the wrong one. I wasn't sure whether we should do

Re: qemu: CVE-2016-7116

2016-09-05 Thread Hugo Lefeuvre
Hi Thorsten, > > "A privileged user inside guest could use this flaw to access undue > > files on the host." > > ... you should also cite: > "... host directory sharing via Plan 9 File System(9pfs) support ..." > > The latest news on [1] is from 2008. I am not sure whether there are really >

Re: qemu: CVE-2016-7116

2016-09-04 Thread Guido Günther
On Sun, Sep 04, 2016 at 08:06:11PM +0200, Thorsten Alteholz wrote: > Hi Guido, > > On Sun, 4 Sep 2016, Guido Günther wrote: > > no-dsa should be used very scarcely in LTS since we don't have a s-p-u > > to fix minor issues and reading the RedHat entry[1]: > > yes, but ... > > > "A privileged

Re: qemu: CVE-2016-7116

2016-09-04 Thread Thorsten Alteholz
Hi Guido, On Sun, 4 Sep 2016, Guido Günther wrote: no-dsa should be used very scarcely in LTS since we don't have a s-p-u to fix minor issues and reading the RedHat entry[1]: yes, but ... "A privileged user inside guest could use this flaw to access undue files on the host." ... you

Re: qemu: CVE-2016-7116

2016-09-04 Thread Guido Günther
Hi Thorsten, On Sun, Sep 04, 2016 at 05:23:40PM +0200, Thorsten Alteholz wrote: > Hi Hugo, > > are you aware that this CVE is marked as in Jessie and soon will be > in Wheezy as well. > > So unless you disagree with this , it would be better to avoid any > potential regression and not upload

Re: qemu: CVE-2016-7116

2016-09-04 Thread Hugo Lefeuvre
> Yes, qemu is supported (and there has was lots of file renaming after > the Wheezy version). If you handle qemu please look at qemu-kvm as well > (they're the same version). Thanks for the hint. By the way, could you explain me why this CVE is still labeled RESERVED, although a public fix

Re: qemu: CVE-2016-7116

2016-09-03 Thread Guido Günther
On Fri, Sep 02, 2016 at 12:12:17PM +0200, Hugo Lefeuvre wrote: > Hi, > > I've had a quick look at CVE-2016-7116[0] and would be interested by working > on > it. Upstream provided a patch[1], which looks 'relatively' simple and seems to > apply well with some adaptations. However, the names of

qemu: CVE-2016-7116

2016-09-02 Thread Hugo Lefeuvre
Hi, I've had a quick look at CVE-2016-7116[0] and would be interested by working on it. Upstream provided a patch[1], which looks 'relatively' simple and seems to apply well with some adaptations. However, the names of the concerned files have changed[2] (e.g. virtio-9p.c -> 9p.c). I think this