Vulnerability CVE-2009-1388
Published: 2009-07-05   Modified: 2012-02-13

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
High
Linux kernel 2.6.18: do_coredump() vs ptrace_start() deadlock
Eugene Teo
07.07.2009

Type:

CWE-362

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.9/10
6.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Linux -> Kernel 
Linux -> Linux kernel 

 References:
http://marc.info/?l=oss-security&m=124654277229434&w=2
http://www.redhat.com/support/errata/RHSA-2009-1193.html
http://www.securityfocus.com/archive/1/507985/100/0/threaded
http://www.securityfocus.com/bid/35559
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://www.vupen.com/english/advisories/2009/3316
https://bugzilla.redhat.com/attachment.cgi?id=346615
https://bugzilla.redhat.com/attachment.cgi?id=346742
https://bugzilla.redhat.com/show_bug.cgi?id=504263
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8625
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8680
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