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Alerts This Week
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Gentoo: GLSA-201406-04 normal: SystemTap Denial of Service Condition

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Calendar Grey June 5, 2014
Scroller Gentoo
An issue in SystemTap presents an opportunity for local users to induce Denial of Service. Please update promptly to resolve this.
A vulnerability in SystemTap could allow a local attacker to create a Denial of Service condition.

Summary

SystemTap does not properly handle DWARF expressions when unwinding the stack.

Topics%20covered

Topics Covered

security advisory Gentoo Denial of Service normal severity SystemTap

Resolution

All SystemTap users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-util/systemtap-2.0"

References

[ 1 ] CVE-2012-0875 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0875

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201406-04
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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.

Severity: Normal
Title: SystemTap: Denial of Service
Date: June 05, 2014
Bugs: #405345
ID: 201406-04

Topics%20covered

Topics Covered

security advisory Gentoo Denial of Service normal severity SystemTap

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-util/systemtap < 2.0 >= 2.0

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.