diff options
| author | Jason Wang <jasowang@redhat.com> | 2018-10-30 14:10:49 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-04 14:50:51 +0100 |
| commit | 26ab2eb87000532dc31a14210e85f5f4efeeab17 (patch) | |
| tree | b19cb541eb3635e15297ecab650566e90022e361 /include/linux/error-injection.h | |
| parent | 2799b518854842ee3421e4debcc498a6c7ea4656 (diff) | |
vhost: Fix Spectre V1 vulnerability
[ Upstream commit ff002269a4ee9c769dbf9365acef633ebcbd6cbe ]
The idx in vhost_vring_ioctl() was controlled by userspace, hence a
potential exploitation of the Spectre variant 1 vulnerability.
Fixing this by sanitizing idx before using it to index d->vqs.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/error-injection.h')
0 files changed, 0 insertions, 0 deletions