medium
4.9
CWE
16
Advisory Published
Updated

CVE-2009-1072

First published: Wed Mar 25 2009(Updated: )

nfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the root_squash option.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Linux Kernel<2.6.28.9
SUSE Linux=10.3
SUSE Linux=11.0
SUSE Linux=11.1
SUSE Linux Enterprise Desktop=10-sp2
SUSE Linux Enterprise Server=10-sp2
Debian=4.0
Debian=5.0
Ubuntu=6.06
Ubuntu=8.04
Ubuntu=8.10
Ubuntu=9.04
VMware vCenter=4.0
VMware vCenter=2.0.2
VMware vCenter=2.5
Microsoft Windows
VMware Server=2.0.0
VMware ESXi=3.0.3
VMware ESXi=3.5
VMware ESXi=4.0
VMware vMA=4.0
Red Hat Enterprise Linux=5.0

Remedy

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=76a67ec6fb79ff3570dcb5342142c16098299911

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2009-1072?

    CVE-2009-1072 has been rated as a medium severity vulnerability due to its potential to allow local users to create device nodes.

  • How do I fix CVE-2009-1072?

    To fix CVE-2009-1072, update the affected Linux kernel to version 2.6.28.9 or later.

  • Which versions of Linux are affected by CVE-2009-1072?

    CVE-2009-1072 affects Linux kernel versions prior to 2.6.28.9 and several older versions of openSUSE, Debian, and Ubuntu.

  • What type of attack is CVE-2009-1072 associated with?

    CVE-2009-1072 is associated with local privilege escalation attacks through unauthorized device node creation.

  • Is CVE-2009-1072 exploitable over the network?

    CVE-2009-1072 is not exploitable over the network as it requires local user access to the affected system.

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