RHSA-2011:0841: Moderate: systemtap security update
SystemTap is an instrumentation system for systems running the Linuxkernel, version 2.6. Developers can write scripts to collect data on theoperation of the system.A divide-by-zero flaw was found in the way SystemTap handled malformeddebugging information in DWARF format. When SystemTap unprivileged mode wasenabled, an unprivileged user in the stapusr group could use this flaw tocrash the system. Additionally, a privileged user (root, or a member of thestapdev group) could trigger this flaw when tricked into instrumenting aspecially-crafted ELF binary, even when unprivileged mode was not enabled.(CVE-2011-1769)SystemTap users should upgrade to these updated packages, which contain abackported patch to correct this issue.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2011:0841?
The severity of RHSA-2011:0841 is classified as moderate.
How do I fix RHSA-2011:0841?
To fix RHSA-2011:0841, update the affected SystemTap packages to version 1.3-4.el5_6.1.
What systems are affected by RHSA-2011:0841?
RHSA-2011:0841 affects multiple packages related to SystemTap on Red Hat Enterprise Linux version 5.
What type of vulnerability is associated with RHSA-2011:0841?
RHSA-2011:0841 is associated with a divide-by-zero flaw in the handling of malformed debugging information.
When was RHSA-2011:0841 released?
RHSA-2011:0841 was released on July 7, 2011.