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CVE-2009-1072

18
FAUCET Score

CVE-2009-1072 describes a privilege escalation vulnerability in the nfsd component of the Linux kernel before version 2.6.28.9, affecting various distributions including Canonical, Debian, Red Hat, and SUSE. This flaw allows local users to create device nodes on NFS-exported filesystems, even when root_squash is enabled, due to nfsd failing to drop the CAP_MKNOD capability. With a CVSS score of 4.9, it is a low-severity vulnerability requiring local access with low attack complexity, primarily impacting integrity. There is no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6.28.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
10.3CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:10.3:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:11.0:*:*:*:*:*:*:*
11.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:11.1:*:*:*:*:*:*:*
10CPE matchmatch criteria
cpe:2.3:o:suse:linux_enterprise_desktop:10:sp2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

AV:L/AC:L/Au:N/C:N/I:C/A:N

Confidentiality Impact
NONE
Integrity Impact
COMPLETE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 65th percentile among its peer group of 3,049 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: MRG for RHEL-5Fixed in: kernel-rt-0:2.6.24.7-117.el5rt
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel-0:2.6.9-89.0.3.EL
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-128.1.14.el5
View patch

Vendor Advisories (1)

redhatCVE-2009-1072Moderate

kernel: nfsd should drop CAP_MKNOD for non-root

Mar 19, 2009

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2009-04/msg00007.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2009-05/msg00002.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2009-06/msg00000.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2009-06/msg00001.html
Mailing ListThird Party Advisory
secunia.com / advisories/34422
Broken Link
secunia.com / advisories/34432
Broken Link
secunia.com / advisories/34786
Broken Link
secunia.com / advisories/35121
Broken Link
secunia.com / advisories/35185
Broken Link
secunia.com / advisories/35343
Broken Link
secunia.com / advisories/35390
Broken Link
secunia.com / advisories/35394
Broken Link
secunia.com / advisories/35656
Broken Link
secunia.com / advisories/37471
Broken Link
exchange.xforce.ibmcloud.com / vulnerabilities/49356
Third Party AdvisoryVDB Entry
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10314
Third Party Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8382
Third Party Advisory
thread.gmane.org / gmane.linux.kernel/805280
Broken Link
debian.org / security/2009/dsa-1800
Third Party Advisory
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.28.9
Broken Link
openwall.com / lists/oss-security/2009/03/23/1
Mailing ListThird Party Advisory
redhat.com / support/errata/RHSA-2009-1081.html
Broken Link
securityfocus.com / archive/1/507985/100/0/threaded
Third Party AdvisoryVDB Entry
securityfocus.com / bid/34205
Third Party AdvisoryVDB Entry
ubuntu.com / usn/usn-793-1
Third Party Advisory
vmware.com / security/advisories/VMSA-2009-0016.html
Third Party Advisory
vupen.com / english/advisories/2009/0802
Broken Link
vupen.com / english/advisories/2009/3316
Broken Link