Debian Linux Security Advisory 2348-1 - Several vulnerabilities were discovered in SystemTap, an instrumentation system for Linux.
11d65241a42e9924fa1a4281af619cedbc575a94bda21b4bad0f19ecaf7eddc5Red Hat Security Advisory 2011-1089-01 - SystemTap is an instrumentation system for systems running the Linux kernel. The system allows developers to write scripts to collect data on the operation of the system. A race condition flaw was found in the way the staprun utility performed module loading. A local user who is a member of the stapusr group could use this flaw to modify a signed module while it is being loaded, allowing them to escalate their privileges. SystemTap users should upgrade to these updated packages, which contain a backported patch to correct this issue.
a497c7f2178a289d7629e75265fe19f811a1c19e782b0afc72abf662b775d3d8Red Hat Security Advisory 2011-1088-01 - SystemTap is an instrumentation system for systems running the Linux kernel. The system allows developers to write scripts to collect data on the operation of the system. It was found that SystemTap did not perform proper module path sanity checking if a user specified a custom path to the uprobes module, used when performing user-space probing . A local user who is a member of the stapusr group could use this flaw to bypass intended module-loading restrictions, allowing them to escalate their privileges by loading an arbitrary, unsigned module.
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