CVE-2009-1072
MEDIUM severity · CVSS 4.9 · CWE-16
4.9CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)0%
AV:L/AC:L/Au:N/C:N/I:C/A:N
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- 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.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.htmlAdvisory
- http://secunia.com/advisories/34422
- http://secunia.com/advisories/34432
- http://secunia.com/advisories/34786