CVE-2009-1072

Linux kernel <2.6.28.9 - Privilege Escalation

Title source: llm

Description

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.

References (29)

[Patch] http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=76a67ec6fb79ff3570dcb5342142c16098299911

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00007.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html

[Broken Link] http://secunia.com/advisories/34422

[Broken Link] http://secunia.com/advisories/34432

[Broken Link] http://secunia.com/advisories/34786

[Broken Link] http://secunia.com/advisories/35121

[Broken Link] http://secunia.com/advisories/35185

[Broken Link] http://secunia.com/advisories/35343

[Broken Link] http://secunia.com/advisories/35390

[Broken Link] http://secunia.com/advisories/35394

[Broken Link] http://secunia.com/advisories/35656

[Broken Link] http://secunia.com/advisories/37471

[Broken Link] http://thread.gmane.org/gmane.linux.kernel/805280

[Third Party Advisory] http://www.debian.org/security/2009/dsa-1800

[Broken Link] http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2009/03/23/1

[Broken Link] http://www.redhat.com/support/errata/RHSA-2009-1081.html

... and 9 more

Scores

EPSS 0.0059

EPSS Percentile 68.9%

Classification

CWE

CWE-16

Status draft

Affected Products (20)

linux/linux_kernel < 2.6.28.9

opensuse/opensuse

opensuse/opensuse

opensuse/opensuse

suse/linux_enterprise_desktop

suse/linux_enterprise_server

debian/debian_linux

debian/debian_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

vmware/vcenter_server

vmware/virtualcenter

vmware/virtualcenter

... and 5 more

Timeline

Published Mar 25, 2009

Tracked Since Feb 18, 2026