oss-sec mailing list archives

CVE-2014-0131 -- kernel: net: use-after-free during segmentation with zerocopy

From: Petr Matousek <pmatouse () redhat com>
Date: Mon, 10 Mar 2014 17:40:36 +0100

A flaw was found in the way segmentation was performed on skbs
originated from vhost-net when zerocopy feature was enabled.

This flaw could be potentially used to leak kernel memory.

Upstream patch submission:
http://marc.info/?l=linux-netdev&m=139446896921968&w=2

-- 
Petr Matousek / Red Hat Security Response Team
PGP: 0xC44977CA 8107 AF16 A416 F9AF 18F3  D874 3E78 6F42 C449 77CA

Current thread:

CVE-2014-0131 -- kernel: net: use-after-free during segmentation with zerocopy Petr Matousek (Mar 10)
- Re: CVE-2014-0131 -- kernel: net: use-after-free during segmentation with zerocopy Chris Palmer (Mar 11)
  - Re: CVE-2014-0131 -- kernel: net: use-after-free during segmentation with zerocopy Petr Matousek (Mar 11)