CVE-2009-1072

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.

• CWE-16

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=76a67ec6fb79ff3570dcb5342142c16098299911
• http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00007.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.htmlMailing List, Third Party Advisory
• http://secunia.com/advisories/34422Broken Link
• http://secunia.com/advisories/34432Broken Link
• http://secunia.com/advisories/34786Broken Link
• http://secunia.com/advisories/35121Broken Link
• http://secunia.com/advisories/35185Broken Link
• http://secunia.com/advisories/35343Broken Link
• http://secunia.com/advisories/35390Broken Link
• http://secunia.com/advisories/35394Broken Link
• http://secunia.com/advisories/35656Broken Link
• http://secunia.com/advisories/37471Broken Link
• http://thread.gmane.org/gmane.linux.kernel/805280Broken Link
• http://www.debian.org/security/2009/dsa-1800Third Party Advisory
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9Broken Link
• http://www.openwall.com/lists/oss-security/2009/03/23/1Mailing List, Third Party Advisory
• http://www.redhat.com/support/errata/RHSA-2009-1081.htmlBroken Link
• http://www.securityfocus.com/archive/1/507985/100/0/threadedThird Party Advisory, VDB Entry
• http://www.securityfocus.com/bid/34205Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/usn-793-1Third Party Advisory
• http://www.vmware.com/security/advisories/VMSA-2009-0016.htmlThird Party Advisory
• http://www.vupen.com/english/advisories/2009/0802Broken Link
• http://www.vupen.com/english/advisories/2009/3316Broken Link
• https://exchange.xforce.ibmcloud.com/vulnerabilities/49356Third Party Advisory, VDB Entry
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10314Third Party Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8382Third Party Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=76a67ec6fb79ff3570dcb5342142c16098299911
• http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00007.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.htmlMailing List, Third Party Advisory
• http://secunia.com/advisories/34422Broken Link
• http://secunia.com/advisories/34432Broken Link
• http://secunia.com/advisories/34786Broken Link
• http://secunia.com/advisories/35121Broken Link
• http://secunia.com/advisories/35185Broken Link
• http://secunia.com/advisories/35343Broken Link
• http://secunia.com/advisories/35390Broken Link
• http://secunia.com/advisories/35394Broken Link
• http://secunia.com/advisories/35656Broken Link
• http://secunia.com/advisories/37471Broken Link
• http://thread.gmane.org/gmane.linux.kernel/805280Broken Link
• http://www.debian.org/security/2009/dsa-1800Third Party Advisory
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9Broken Link
• http://www.openwall.com/lists/oss-security/2009/03/23/1Mailing List, Third Party Advisory
• http://www.redhat.com/support/errata/RHSA-2009-1081.htmlBroken Link
• http://www.securityfocus.com/archive/1/507985/100/0/threadedThird Party Advisory, VDB Entry
• http://www.securityfocus.com/bid/34205Third Party Advisory, VDB Entry
• http://www.ubuntu.com/usn/usn-793-1Third Party Advisory
• http://www.vmware.com/security/advisories/VMSA-2009-0016.htmlThird Party Advisory
• http://www.vupen.com/english/advisories/2009/0802Broken Link
• http://www.vupen.com/english/advisories/2009/3316Broken Link
• https://exchange.xforce.ibmcloud.com/vulnerabilities/49356Third Party Advisory, VDB Entry
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10314Third Party Advisory
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8382Third Party Advisory

Published

Mar 25, 2009

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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