Upstream information

CVE-2006-5173 at MITRE

Description

Linux kernel does not properly save or restore EFLAGS during a context switch, or reset the flags when creating new threads, which allows local users to cause a denial of service (process crash), as demonstrated using a process that sets the Alignment Check flag (EFLAGS 0x40000), which triggers a SIGBUS in other processes that have an unaligned access.

SUSE information

Overall state of this security issue: Resolved

This issue is currently not rated by SUSE as it is not affecting the SUSE Enterprise products.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 2.1
Vector AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
SUSE Bugzilla entry: 209386 [RESOLVED / FIXED]

SUSE Security Advisories:

SUSE Timeline for this CVE

CVE page created: Fri Jun 28 05:13:47 2013
CVE page last modified: Mon Oct 6 18:14:49 2025