[v2.6] CVE-2013-4127 kernel: vhost-net: use-after-free in vhost_net_flush
vhost_net_ubuf_put_and_wait has a confusing name: it will actually also free it’s argument. vhost_net_flush tries to use the argument after passing it to vhost_net_ubuf_put_and_wait, this results in use after free.
Introduced in upstream version:
(from redmine: issue id 2145, created on 2013-07-18, closed on 2013-07-29)
- parent #2144 (closed)
- Revision f206cc0c by Natanael Copa on 2013-07-25T10:38:42Z:
main/linux-grsec: various security fixes (CVE-2013-4125, CVE-2013-4127) ref #2139 (CVE-2013-4125) fixes #2140 ref #2144 (CVE-2013-4127) fixes #2145 (cherry picked from commit 2090f6be2eb8aa04ae81c1bf456f4dc3709ac886)