CVE-2009-3547: Null Pointer Dereference

Published Oct 23, 2009
·
Updated

Multiple race conditions in fs/pipe.c in the Linux kernel before 2.6.32-rc6 allow local users to cause a denial of service (NULL pointer dereference and system crash) or gain privileges by attempting to open an anonymous pipe via a /proc//fd/ pathname.

Affected Software

32 affected components
Linux Linux kernel<=2.6.31.14
Linux Linux kernel=2.6.32
Linux Linux kernel=2.6.32-rc1
Linux Linux kernel=2.6.32-rc2
Linux Linux kernel=2.6.32-rc3
Linux Linux kernel=2.6.32-rc4
Linux Linux kernel=2.6.32-rc5
Novell Linux Desktop=9
openSUSE openSUSE=11.0
openSUSE openSUSE=11.2
SUSE SUSE Linux Enterprise Desktop=10-sp2
SUSE SUSE Linux Enterprise Server=10-sp2
Canonical Ubuntu Linux=6.06
Canonical Ubuntu Linux=8.04
Canonical Ubuntu Linux=8.10
Canonical Ubuntu Linux=9.04
Canonical Ubuntu Linux=9.10
Fedoraproject Fedora=10
VMware vMA=4.0
VMware ESX=4.0
redhat Mrg Realtime=1.0
redhat Enterprise Linux Desktop=3.0
redhat Enterprise Linux Desktop=4.0
redhat Enterprise Linux Desktop=5.0
redhat Enterprise Linux Eus=4.8
redhat Enterprise Linux Eus=5.4
redhat Enterprise Linux Server=3.0
redhat Enterprise Linux Server=4.0
redhat Enterprise Linux Server=5.0
redhat Enterprise Linux Workstation=3.0
redhat Enterprise Linux Workstation=4.0
redhat Enterprise Linux Workstation=5.0

Event History

Oct 23, 2009
Data Sourced
via Red Hat·04:16 AM
DescriptionSeverityAffected Software
Nov 4, 2009
CVE Published
via MITRE·03:00 PM
Data Sourced
via MITRE·03:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2009-3547?

CVE-2009-3547 is classified as a denial of service and privilege escalation vulnerability that can cause system crashes.

2

How do I fix CVE-2009-3547?

To fix CVE-2009-3547, update your Linux kernel to version 2.6.32 or later.

3

What systems are affected by CVE-2009-3547?

CVE-2009-3547 affects various versions of the Linux kernel prior to 2.6.32, including multiple distributions like Ubuntu, Fedora, and openSUSE.

4

What are the potential impacts of CVE-2009-3547?

Exploiting CVE-2009-3547 can lead to a system crash or allow local users to gain elevated privileges.

5

Is CVE-2009-3547 a remote or local vulnerability?

CVE-2009-3547 is a local vulnerability that requires authenticated access to exploit.

Contact

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