GLSA 201406-04: SystemTap: Denial of Service
| Severity: | normal |
| Title: | SystemTap: Denial of Service |
| Date: | 06/05/2014 |
| Bugs: | |
| ID: | 201406-04 |
Synopsis
A vulnerability in SystemTap could allow a local attacker to create a Denial of Service condition.Background
SystemTap is a kernel profiling and instrumentation tool.
Affected packages
| Package | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| dev-util/systemtap | < 2.0 | >= 2.0 | All supported architectures |
Description
SystemTap does not properly handle DWARF expressions when unwinding the stack.
Impact
A local attacker with SystemTap permissions could trigger a kernel panic, causing a Denial of Service condition.
Workaround
Disabling unprivileged mode is a temporary workaround for this vulnerability.
Resolution
All SystemTap users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-util/systemtap-2.0"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.