NACK: [Vivid][Utopic][CVE-2015-400{1,2,3}][PATCH 0/4] ozwpan driver CVEs

Kamal Mostafa kamal at canonical.com
Tue Jun 9 18:57:03 UTC 2015


On Tue, 2015-06-09 at 16:28 +0100, Luis Henriques wrote:
> Following this email I am sending the fixes for utopic and vivid for 3
> CVEs in the ozwpan driver: CVE-2015-4001, CVE-2015-4002 and
> CVE-2015-4003.
> 
> Jason A. Donenfeld (4):
>   ozwpan: Use unsigned ints to prevent heap overflow
>   ozwpan: divide-by-zero leading to panic
>   ozwpan: Use proper check to prevent heap overflow
>   ozwpan: unchecked signed subtraction leads to DoS
> 
>  drivers/staging/ozwpan/ozhcd.c     |  8 ++++----
>  drivers/staging/ozwpan/ozusbif.h   |  4 ++--
>  drivers/staging/ozwpan/ozusbsvc1.c | 19 ++++++++++++++-----
>  3 files changed, 20 insertions(+), 11 deletions(-)
> 

The first patch ("Use unsigned ints") does not apply cleanly to vivid or
3.19-stable.

Note that a straight cherry-pick of that upstream commit of all four
would apply fine to 3.19-based kernels though (and that's what I'll
queue for 3.19-stable).

please re-send for Vivid and Utopic separately.

Thanks, Luis!

 -Kamal





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