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rego: Allow sending SIGTERM and SIGKILL to the container init process in old policies #2540

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rego: Allow sending SIGTERM and SIGKILL to the container init process in old policies #2540

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edf39b0
rego: Allow sending SIGTERM and SIGKILL to the container init process…
micromaomao Oct 15, 2025
5e02034
Fix missing denial reason when a signal request to a non-init process…
micromaomao Oct 15, 2025
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14 changes: 13 additions & 1 deletion pkg/securitypolicy/framework.rego
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Original file line number Diff line number Diff line change
Expand Up @@ -1488,11 +1488,13 @@ errors[mountError] {
default signal_allowed := false

signal_allowed {
input.isInitProcess
some container in data.metadata.matches[input.containerID]
signal_ok(container.signals)
}

signal_allowed {
not input.isInitProcess
some container in data.metadata.matches[input.containerID]
some process in container.exec_processes
command_ok(process.command)
Expand Down Expand Up @@ -1960,7 +1962,7 @@ check_container(raw_container, framework_version) := container {
"allow_elevated": raw_container.allow_elevated,
"working_dir": raw_container.working_dir,
"exec_processes": raw_container.exec_processes,
"signals": raw_container.signals,
"signals": check_signals(raw_container, framework_version),
"allow_stdio_access": raw_container.allow_stdio_access,
# Additional fields need to have default logic applied
"no_new_privileges": check_no_new_privileges(raw_container, framework_version),
Expand Down Expand Up @@ -2026,6 +2028,16 @@ check_seccomp_profile_sha256(raw_container, framework_version) := seccomp_profil
seccomp_profile_sha256 := ""
}

check_signals(raw_container, framework_version) := signals {
semver.compare(framework_version, "0.4.1") >= 0
signals := raw_container.signals
}

check_signals(raw_container, framework_version) := signals {
semver.compare(framework_version, "0.4.1") < 0
signals := array.concat(raw_container.signals, [9, 15])
}

check_external_process(raw_process, framework_version) := process {
semver.compare(framework_version, version) == 0
process := raw_process
Expand Down
2 changes: 1 addition & 1 deletion pkg/securitypolicy/version_framework
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@@ -1 +1 @@
0.4.0
0.4.1