01 Record

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.42% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 36.6% of scored records. A rank, not a probability.
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Modified. NVD last modified this record on 2026-06-16.
Red Hat severity: Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2009-03-25 01:00Z17 YR AGO

Last updated

2024-08-07 04:57Z2 YR AGO

Reserved

2009-03-24

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-16

Data version

5.1

Document digest

982d2018066ed3df4d0d91297beeed9e87f2594e073b9581f4f3d37b56c96713

05 Affected products

VendorProductVersionsPlatforms

canonicalubuntu_linuxNot specified—

debiandebian_linuxNot specified—

linuxlinux_kernelNot specified—

microsoftwindowsNot specified—

opensuseopensuseNot specified—

redhatenterprise_linuxNot specified—

redhatenterprise_mrgNot specified—

suselinux_enterprise_desktopNot specified—

suselinux_enterprise_serverNot specified—

vmwareesxNot specified—

vmwareserverNot specified—

vmwarevcenter_serverNot specified—

vmwarevirtualcenterNot specified—

vmwarevmaNot specified—

06 References

secunia.com35390http://secunia.com/advisories/35390third-party-advisoryx_refsource_SECUNIA
secunia.com34432http://secunia.com/advisories/34432third-party-advisoryx_refsource_SECUNIA
secunia.com34422http://secunia.com/advisories/34422third-party-advisoryx_refsource_SECUNIA
www.vupen.comADV-2009-0802http://www.vupen.com/english/advisories/2009/0802vdb-entryx_refsource_VUPEN
secunia.com34786http://secunia.com/advisories/34786third-party-advisoryx_refsource_SECUNIA
www.openwall.com[oss-security] 20090323 CVE request: kernel: nfsd did not drop CAP_MKNOD for non-roothttp://www.openwall.com/lists/oss-security/2009/03/23/1mailing-listx_refsource_MLIST
www.securityfocus.com34205http://www.securityfocus.com/bid/34205vdb-entryx_refsource_BID
lists.opensuse.orgSUSE-SA:2009:028http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.htmlvendor-advisoryx_refsource_SUSE
secunia.com37471http://secunia.com/advisories/37471third-party-advisoryx_refsource_SECUNIA
secunia.com35656http://secunia.com/advisories/35656third-party-advisoryx_refsource_SECUNIA
www.vmware.comhttp://www.vmware.com/security/advisories/VMSA-2009-0016.htmlx_refsource_CONFIRM
thread.gmane.org[linux-kernel] 20090311 VFS, NFS security bug? Should CAP_MKNOD and CAP_LINUX_IMMUTABLE be added to CAP_FS_MASK?http://thread.gmane.org/gmane.linux.kernel/805280mailing-listx_refsource_MLIST
lists.opensuse.orgSUSE-SA:2009:030http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.htmlvendor-advisoryx_refsource_SUSE
secunia.com35185http://secunia.com/advisories/35185third-party-advisoryx_refsource_SECUNIA
oval.cisecurity.orgoval:org.mitre.oval:def:10314https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10314vdb-entrysignaturex_refsource_OVAL
www.securityfocus.com20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party componentshttp://www.securityfocus.com/archive/1/507985/100/0/threadedmailing-listx_refsource_BUGTRAQ
oval.cisecurity.orgoval:org.mitre.oval:def:8382https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8382vdb-entrysignaturex_refsource_OVAL
lists.opensuse.orgSUSE-SA:2009:031http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.htmlvendor-advisoryx_refsource_SUSE
lists.opensuse.orgSUSE-SA:2009:021http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00007.htmlvendor-advisoryx_refsource_SUSE
www.ubuntu.comUSN-793-1http://www.ubuntu.com/usn/usn-793-1vendor-advisoryx_refsource_UBUNTU
www.redhat.comRHSA-2009:1081http://www.redhat.com/support/errata/RHSA-2009-1081.htmlvendor-advisoryx_refsource_REDHAT
www.debian.orgDSA-1800http://www.debian.org/security/2009/dsa-1800vendor-advisoryx_refsource_DEBIAN
secunia.com35343http://secunia.com/advisories/35343third-party-advisoryx_refsource_SECUNIA
www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9x_refsource_CONFIRM
exchange.xforce.ibmcloud.comlinux-kernel-capmknod-security-bypass(49356)https://exchange.xforce.ibmcloud.com/vulnerabilities/49356vdb-entryx_refsource_XF
git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=76a67ec6fb79ff3570dcb5342142c16098299911x_refsource_CONFIRM
secunia.com35121http://secunia.com/advisories/35121third-party-advisoryx_refsource_SECUNIA
www.vupen.comADV-2009-3316http://www.vupen.com/english/advisories/2009/3316vdb-entryx_refsource_VUPEN
secunia.com35394http://secunia.com/advisories/35394third-party-advisoryx_refsource_SECUNIA