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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-01-16 20:33:52 +0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-06-08 01:05:55 +0400 |
| commit | 604c499cbbcc3d5fe5fb8d53306aa0fae1990109 (patch) | |
| tree | ab604a42d397957a3aeb55c343d59648d6332c30 /include/xen | |
| parent | 7c4d7d710f7eb499ec483f25acc28b53adaa3260 (diff) | |
| download | linux-604c499cbbcc3d5fe5fb8d53306aa0fae1990109.tar.xz | |
xen/blkback: Check device permissions before allowing OP_DISCARD
We need to make sure that the device is not RO or that
the request is not past the number of sectors we want to
issue the DISCARD operation for.
This fixes CVE-2013-2140.
Cc: stable@vger.kernel.org
Acked-by: Jan Beulich <JBeulich@suse.com>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>
[v1: Made it pr_warn instead of pr_debug]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'include/xen')
0 files changed, 0 insertions, 0 deletions