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CVE-2009-2849 Detail

Description

The md driver (drivers/md/md.c) in the Linux kernel before 2.6.30.2 might allow local users to cause a denial of service (NULL pointer dereference) via vectors related to "suspend_* sysfs attributes" and the (1) suspend_lo_store or (2) suspend_hi_store functions. NOTE: this is only a vulnerability when sysfs is writable by an attacker.


Metrics

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CVSS 4.0 Severity and Vector Strings:

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

Vendor Statements (disclaimer)

Official Statement from Red Hat (11/04/2009)

Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-2849 The flaw was introduced in kernel version 2.6.17-rc1. The Linux kernel as shipped with Red Hat Enterprise Linux 3, and 4 are not affected by this issue. It was addressed in Red Hat Enterprise MRG via: https://rhn.redhat.com/errata/RHSA-2009-1540.html A future kernel update for Red Hat Enterprise Linux 5 will address this flaw.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.30.y.git%3Ba=commit%3Bh=3c92900d9a4afb176d3de335dc0da0198660a244
http://lists.vmware.com/pipermail/security-announce/2010/000082.html
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.30.2
http://www.openwall.com/lists/oss-security/2009/07/24/1
http://www.openwall.com/lists/oss-security/2009/07/26/1
http://www.securitytracker.com/id?1022961
http://www.ubuntu.com/usn/USN-852-1
http://www.vupen.com/english/advisories/2010/0528
http://xorl.wordpress.com/2009/07/21/linux-kernel-md-driver-null-pointer-dereference/ Exploit 
https://exchange.xforce.ibmcloud.com/vulnerabilities/52858
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10396
https://rhn.redhat.com/errata/RHSA-2009-1540.html
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-2849
NVD Published Date:
08/18/2009
NVD Last Modified:
11/06/2023
Source:
MITRE