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.
Affected products
- Canonical / Ubuntu Linux9.04 – 9.04
- Canonical / Ubuntu Linux8.10 – 8.10
- Canonical / Ubuntu Linux8.04 – 8.04
- Canonical / Ubuntu Linux6.06 – 6.06
- Debian / debian_linux4.0 – 4.0
- Debian / debian_linux5.0 – 5.0
- Linux / Linux kernel2.6.28.9
- openSUSE / opensuse11.1 – 11.1
- openSUSE / opensuse11.0 – 11.0
- openSUSE / opensuse10.3 – 10.3
- SUSE / linux_enterprise_desktop10 – 10
- SUSE / linux_enterprise_server10 – 10
- VMware / esx3.5 – 3.5
- VMware / esx4.0 – 4.0
- VMware / esx3.0.3 – 3.0.3
- VMware / server2.0.0 – 2.0.0
- VMware / vCenter Server4.0 – 4.0
- VMware / virtualcenter2.0.2 – 2.0.2
- VMware / virtualcenter2.5 – 2.5
- VMware / vma4.0 – 4.0
References
- VENDOR_ADVISORYhttp://secunia.com/advisories/35390
- VENDOR_ADVISORYhttp://secunia.com/advisories/34432
- VENDOR_ADVISORYhttp://secunia.com/advisories/34422
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2009/0802
- VENDOR_ADVISORYhttp://secunia.com/advisories/34786
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2009/03/23/1
- MISChttp://www.securityfocus.com/bid/34205
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/37471
- VENDOR_ADVISORYhttp://secunia.com/advisories/35656
- VENDOR_ADVISORYhttp://www.vmware.com/security/advisories/VMSA-2009-0016.html
- MISChttp://thread.gmane.org/gmane.linux.kernel/805280
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/35185
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10314
- MISChttp://www.securityfocus.com/archive/1/507985/100/0/threaded
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8382
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2009-04/msg00007.html
- VENDOR_ADVISORYhttp://www.ubuntu.com/usn/usn-793-1
- MISChttp://www.redhat.com/support/errata/RHSA-2009-1081.html
- VENDOR_ADVISORYhttp://www.debian.org/security/2009/dsa-1800
- VENDOR_ADVISORYhttp://secunia.com/advisories/35343
- MISChttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9
- MISChttps://exchange.xforce.ibmcloud.com/vulnerabilities/49356
- MISChttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=76a67ec6fb79ff3570dcb5342142c16098299911
- VENDOR_ADVISORYhttp://secunia.com/advisories/35121
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2009/3316
- VENDOR_ADVISORYhttp://secunia.com/advisories/35394