National Cyber-Alert System
Vulnerability Summary for CVE-2009-1388
Original release date:07/05/2009
Last revised:08/12/2009
Source:
US-CERT/NIST
Overview
The ptrace_start function in kernel/ptrace.c in the Linux kernel 2.6.18 does not properly handle simultaneous execution of the do_coredump function, which allows local users to cause a denial of service (deadlock) via vectors involving the ptrace system call and a coredumping thread.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
- Official Statement from Red Hat (08/05/2009)
-
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and Red Hat Enterprise MRG.
It was addressed in Red Hat Enterprise 5 via: https://rhn.redhat.com/errata/RHSA-2009-1193.html
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=504263
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.redhat.com/attachment.cgi?id=346742
Type: Patch Information
External Source: CONFIRM
Name: https://bugzilla.redhat.com/attachment.cgi?id=346615
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20090702 CVE-2009-1388 kernel: do_coredump() vs ptrace_start() deadlock
Type: Patch Information
External Source: BID
Name: 35559
External Source: REDHAT
Name: RHSA-2009:1193
External Source: SECUNIA
Name: 36131
External Source: OSVDB
Name: 55679