diff options
| author | Vladis Dronov <vdronov@redhat.com> | 2017-08-02 19:50:14 +0200 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-08-11 16:24:55 +0200 |
| commit | 3ac87b315ceeacb0f487530e3962ae7e798a2231 (patch) | |
| tree | 8ac181404696a65e5511cf31bb91cde686a78141 /include/linux/parser.h | |
| parent | 44a508c07ed0e1be0fcbbba142c5c211a8e83358 (diff) | |
xfrm: policy: check policy direction value
The 'dir' parameter in xfrm_migrate() is a user-controlled byte which is used
as an array index. This can lead to an out-of-bound access, kernel lockup and
DoS. Add a check for the 'dir' value.
This fixes CVE-2017-11600.
Change-Id: Ie44499df1fa7b3007250618afef41703d17471ca
References: https://bugzilla.redhat.com/show_bug.cgi?id=1474928
Fixes: 80c9abaabf42 ("[XFRM]: Extension for dynamic update of endpoint address(es)")
Cc: <stable@vger.kernel.org> # v2.6.21-rc1
Reported-by: "bo Zhang" <zhangbo5891001@gmail.com>
Signed-off-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'include/linux/parser.h')
0 files changed, 0 insertions, 0 deletions