]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
vlan: disable SIOCSHWTSTAMP in container
authorHangbin Liu <liuhangbin@gmail.com>
Thu, 9 May 2019 06:55:07 +0000 (14:55 +0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 9 May 2019 16:31:16 +0000 (09:31 -0700)
commit873017af778439f2f8e3d87f28ddb1fcaf244a76
treeac2656ca88cd00d3a8ac99891dd6eb1577ce9b0f
parent6c2ea9ebafa79eea9098a134a422391638879f45
vlan: disable SIOCSHWTSTAMP in container

With NET_ADMIN enabled in container, a normal user could be mapped to
root and is able to change the real device's rx filter via ioctl on
vlan, which would affect the other ptp process on host. Fix it by
disabling SIOCSHWTSTAMP in container.

Fixes: a6111d3c93d0 ("vlan: Pass SIOC[SG]HWTSTAMP ioctls to real device")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/8021q/vlan_dev.c