high
7
CWE
476 362 672
Advisory Published
CVE Published
Updated

CVE-2009-3547: Null Pointer Dereference

First published: Fri 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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Linux Kernel<=2.6.31.14
Linux Kernel=2.6.32
Linux Kernel=2.6.32-rc1
Linux Kernel=2.6.32-rc2
Linux Kernel=2.6.32-rc3
Linux Kernel=2.6.32-rc4
Linux Kernel=2.6.32-rc5
Novell Linux Desktop=9
openSUSE=11.0
openSUSE=11.2
SUSE Linux Enterprise Desktop=10-sp2
SUSE Linux Enterprise Server=10-sp2
Ubuntu=6.06
Ubuntu=8.04
Ubuntu=8.10
Ubuntu=9.04
Ubuntu=9.10
Red Hat Fedora=10
VMware vMA=4.0
VMware ESXi=4.0
Red Hat MRG Realtime=1.0
Red Hat Enterprise Linux Desktop=3.0
Red Hat Enterprise Linux Desktop=4.0
Red Hat Enterprise Linux Desktop=5.0
Red Hat Enterprise Linux Server EUS=4.8
Red Hat Enterprise Linux Server EUS=5.4
Red Hat Enterprise Linux Server=3.0
Red Hat Enterprise Linux Server=4.0
Red Hat Enterprise Linux Server=5.0
Red Hat Enterprise Linux Workstation=3.0
Red Hat Enterprise Linux Workstation=4.0
Red Hat Enterprise Linux Workstation=5.0

Remedy

http://lkml.org/lkml/2009/10/21/42

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=530490

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • 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.

  • How do I fix CVE-2009-3547?

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

  • 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.

  • 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.

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

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

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203