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author | OpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com> | 2022-03-30 11:13:19 -0400 |
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committer | GitHub <noreply@github.com> | 2022-03-30 11:13:19 -0400 |
commit | 0a839a59ec43ae03c522a1b82224605219256ab1 (patch) | |
tree | d88cc6fb228c89301a837d1b4501aed34d1cb69b /libpod | |
parent | 05f083461047d0b5425e22334e8259038a51492e (diff) | |
parent | e7b7fcbd8a8bfc71ce4d038fe50fee59ac26ca45 (diff) | |
download | podman-0a839a59ec43ae03c522a1b82224605219256ab1.tar.gz podman-0a839a59ec43ae03c522a1b82224605219256ab1.tar.bz2 podman-0a839a59ec43ae03c522a1b82224605219256ab1.zip |
Merge pull request #13694 from giuseppe/v4.0-backport-no-inheritable
[4.0] do not set the inheritable capabilities
Diffstat (limited to 'libpod')
-rw-r--r-- | libpod/oci_conmon_exec_linux.go | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libpod/oci_conmon_exec_linux.go b/libpod/oci_conmon_exec_linux.go index aa970bbde..65123b37e 100644 --- a/libpod/oci_conmon_exec_linux.go +++ b/libpod/oci_conmon_exec_linux.go @@ -758,11 +758,14 @@ func prepareProcessExec(c *Container, options *ExecOptions, env []string, sessio } else { pspec.Capabilities.Bounding = ctrSpec.Process.Capabilities.Bounding } + + // Always unset the inheritable capabilities similarly to what the Linux kernel does + // They are used only when using capabilities with uid != 0. + pspec.Capabilities.Inheritable = []string{} + if execUser.Uid == 0 { pspec.Capabilities.Effective = pspec.Capabilities.Bounding - pspec.Capabilities.Inheritable = pspec.Capabilities.Bounding pspec.Capabilities.Permitted = pspec.Capabilities.Bounding - pspec.Capabilities.Ambient = pspec.Capabilities.Bounding } else { if user == c.config.User { pspec.Capabilities.Effective = ctrSpec.Process.Capabilities.Effective |