CVE-2007-3731

CVE-2007-3731, security advisory, suse linux, suse, security, cve

CVE-2007-3731

Common Vulnerabilities and Exposures

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Upstream information

CVE-2007-3731 at MITRE

Description

The Linux kernel 2.6.20 and 2.6.21 does not properly handle an invalid LDT segment selector in %cs (the xcs field) during ptrace single-step operations, which allows local users to cause a denial of service (NULL dereference and OOPS) via certain code that makes ptrace PTRACE_SETREGS and PTRACE_SINGLESTEP requests, related to the TRACE_IRQS_ON function, and possibly related to the arch_ptrace function.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	4.9
Vector	AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector	Local
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Complete

SUSE Bugzilla entry: 329757 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

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SUSE Timeline for this CVE

CVE page created: Tue Jul 9 15:40:45 2013
CVE page last modified: Mon Feb 13 11:22:28 2023