CVE-2009-3043 Detail

Current Description

The tty_ldisc_hangup function in drivers/char/tty_ldisc.c in the Linux kernel 2.6.31-rc before 2.6.31-rc8 allows local users to cause a denial of service (system crash, sometimes preceded by a NULL pointer dereference) or possibly gain privileges via certain pseudo-terminal I/O activity, as demonstrated by KernelTtyTest.c.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD score not yet provided.


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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

Vendor Statements (disclaimer)

Official Statement fromRed Hat (09/03/2009)

Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, 5 or Red Hat Enterprise MRG, as they do not contain a backport of the tty ldisc rewrite (upstream commits 65b770468e98 and cbe9352fa08f).

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5c58ceff103d8a654f24769bb1baaf84a841b0cc
http://lkml.org/lkml/2009/8/20/21 Exploit 
http://lkml.org/lkml/2009/8/20/27 Exploit 
http://lkml.org/lkml/2009/8/20/68
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc8
http://www.openwall.com/lists/oss-security/2009/08/31/1
http://www.openwall.com/lists/oss-security/2009/09/03/6
http://www.openwall.com/lists/oss-security/2009/09/03/7
http://www.securityfocus.com/bid/36191 Exploit  Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-399 Resource Management Errors cwe source acceptance level NIST  

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Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-3043
NVD Published Date:
09/02/2009
NVD Last Modified:
03/19/2012
Source:
MITRE