Restrict ptrace attach to privileged users#193
Merged
Merged
Conversation
Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de>
Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de>
rndmh3ro
reviewed
May 26, 2026
Signed-off-by: Martin Schurz <Martin.Schurz@telekom.de>
rndmh3ro
approved these changes
May 26, 2026
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
This pull request adds a new security control to the
sysctl_spec.rbfile to ensure that only privileged users can use ptrace to attach to processes. This helps prevent unprivileged users from interfering with or inspecting other processes, enhancing system security.Security hardening:
sysctl-35) to verify that thekernel.yama.ptrace_scopeparameter is set to at least 2, restricting ptrace attach operations to privileged users.