diff options
| author | Djalal Harouni <tixxdz@opendz.org> | 2016-10-07 20:38:05 +0200 |
|---|---|---|
| committer | Djalal Harouni <tixxdz@opendz.org> | 2016-10-12 13:39:49 +0200 |
| commit | 2cd0a735470894bd2d25147442285744764633a1 (patch) | |
| tree | ced267bfca1489c3f5334838321f8e8589c1079f /src/core/unit.c | |
| parent | 3ae33295f00be5e2836f009bf1991b0caddf80b7 (diff) | |
core:sandbox: remove CAP_SYS_RAWIO on PrivateDevices=yes
The rawio system calls were filtered, but CAP_SYS_RAWIO allows to access raw
data through /proc, ioctl and some other exotic system calls...
Diffstat (limited to 'src/core/unit.c')
| -rw-r--r-- | src/core/unit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/core/unit.c b/src/core/unit.c index 71f95c0b96..67668bdc48 100644 --- a/src/core/unit.c +++ b/src/core/unit.c @@ -3399,7 +3399,7 @@ int unit_patch_contexts(Unit *u) { ec->no_new_privileges = true; if (ec->private_devices) - ec->capability_bounding_set &= ~(UINT64_C(1) << CAP_MKNOD); + ec->capability_bounding_set &= ~((UINT64_C(1) << CAP_MKNOD) | (UINT64_C(1) << CAP_SYS_RAWIO)); if (ec->protect_kernel_modules) ec->capability_bounding_set &= ~(UINT64_C(1) << CAP_SYS_MODULE); |