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)
Core 29
Core References
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/35390
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34432
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34422
Broken Link vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/0802
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/34786
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/03/23/1
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/34205
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/37471
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/35656
Third Party Advisory x_refsource_confirm
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
Broken Link mailing-list
x_refsource_mlist
http://thread.gmane.org/gmane.linux.kernel/805280
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/35185
Third Party Advisory vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10314
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/507985/100/0/threaded
Third Party Advisory vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8382
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00007.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/usn-793-1
Broken Link vendor-advisory
x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2009-1081.html
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2009/dsa-1800
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/35343
Broken Link x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/49356
Patch x_refsource_confirm
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=76a67ec6fb79ff3570dcb5342142c16098299911
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/35121
Broken Link vdb-entry
x_refsource_vupen
http://www.vupen.com/english/advisories/2009/3316
Broken Link third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/35394
Scores
EPSS
0.0059
EPSS Percentile
69.4%
Details
CWE
CWE-16
Status
published
Products (20)
canonical/ubuntu_linux
6.06
canonical/ubuntu_linux
8.04
canonical/ubuntu_linux
8.10
canonical/ubuntu_linux
9.04
debian/debian_linux
4.0
debian/debian_linux
5.0
linux/linux_kernel
< 2.6.28.9
opensuse/opensuse
10.3
opensuse/opensuse
11.0
opensuse/opensuse
11.1
... and 10 more
Published
Mar 25, 2009
Tracked Since
Feb 18, 2026