Merge pull request #18972 from justincormack/bpf

Block bpf syscall from default seccomp profile
2015-12-29 11:57:07 -08:00 · 2015-12-29 11:57:07 -08:00 · 2307f47fdd
parent e01cab1cc5 33568405f3
commit 2307f47fdd
1 changed files with 7 additions and 0 deletions
--- a/daemon/execdriver/native/seccomp_default.go
+++ b/daemon/execdriver/native/seccomp_default.go
@ -28,6 +28,13 @@ var defaultSeccompProfile = &configs.Seccomp{
 			Action: configs.Errno,
 			Args:   []*configs.Arg{},
 		},
+		{
+			// Deny loading potentially persistent bpf programs into kernel
+			// already gated by CAP_SYS_ADMIN
+			Name:   "bpf",
+			Action: configs.Errno,
+			Args:   []*configs.Arg{},
+		},
 		{
 			// Time/Date is not namespaced
 			Name:   "clock_adjtime",