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| author | Jordy Zomer <jordy@jordyzomer.github.io> | 2022-01-29 17:58:39 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2022-02-22 19:04:41 +0300 |
| commit | cd9c88da171a62c4b0f1c70e50c75845969fbc18 (patch) | |
| tree | e6af6dfa8a8a35becda7882bb15f6439ef7fab36 /net/unix/sysctl_net_unix.c | |
| parent | a8b9d116cda047f38ba29ce26df49c57479ffaa2 (diff) | |
| download | linux-cd9c88da171a62c4b0f1c70e50c75845969fbc18.tar.xz | |
dm ioctl: prevent potential spectre v1 gadget
It appears like cmd could be a Spectre v1 gadget as it's supplied by a
user and used as an array index. Prevent the contents of kernel memory
from being leaked to userspace via speculative execution by using
array_index_nospec.
Signed-off-by: Jordy Zomer <jordy@pwning.systems>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'net/unix/sysctl_net_unix.c')
0 files changed, 0 insertions, 0 deletions