diff --git a/components/engine/docs/security/seccomp.md b/components/engine/docs/security/seccomp.md index 196d93810d..e046aef9b0 100644 --- a/components/engine/docs/security/seccomp.md +++ b/components/engine/docs/security/seccomp.md @@ -114,7 +114,6 @@ the reason each syscall is blocked rather than white-listed. | `query_module` | Deny manipulation and functions on kernel modules. | | `quotactl` | Quota syscall which could let containers disable their own resource limits or process accounting. Also gated by `CAP_SYS_ADMIN`. | | `reboot` | Don't let containers reboot the host. Also gated by `CAP_SYS_BOOT`. | -| `restart_syscall` | Don't allow containers to restart a syscall. Possible seccomp bypass see: https://code.google.com/p/chromium/issues/detail?id=408827. | | `request_key` | Prevent containers from using the kernel keyring, which is not namespaced. | | `set_mempolicy` | Syscall that modifies kernel memory and NUMA settings. Already gated by `CAP_SYS_NICE`. | | `setns` | Deny associating a thread with a namespace. Also gated by `CAP_SYS_ADMIN`. | diff --git a/components/engine/profiles/seccomp/default.json b/components/engine/profiles/seccomp/default.json index 91f04d6ec4..bdebd7158b 100755 --- a/components/engine/profiles/seccomp/default.json +++ b/components/engine/profiles/seccomp/default.json @@ -999,6 +999,11 @@ "action": "SCMP_ACT_ALLOW", "args": [] }, + { + "name": "restart_syscall", + "action": "SCMP_ACT_ALLOW", + "args": [] + }, { "name": "rmdir", "action": "SCMP_ACT_ALLOW", diff --git a/components/engine/profiles/seccomp/seccomp_default.go b/components/engine/profiles/seccomp/seccomp_default.go index 181e9f5002..c5e6b736db 100644 --- a/components/engine/profiles/seccomp/seccomp_default.go +++ b/components/engine/profiles/seccomp/seccomp_default.go @@ -1028,6 +1028,11 @@ var DefaultProfile = &types.Seccomp{ Action: types.ActAllow, Args: []*types.Arg{}, }, + { + Name: "restart_syscall", + Action: types.ActAllow, + Args: []*types.Arg{}, + }, { Name: "rmdir", Action: types.ActAllow,