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…

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.

Scores

EPSS (exploitation in 30 days)

0.43% · top 63% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.

Weakness

• n/a
• CWE-16 (opens in a new tab)All about CWE-16 and its CVEs

Affected products

• n/a

  • affected n/a

References (29)

• 35390 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 34432 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 34422 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2009-0802 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 34786 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• [oss-security] 20090323 CVE request: kernel: nfsd did not drop CAP_MKNOD for non-root (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 34205 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• SUSE-SA:2009:028 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 37471 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 35656 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.vmware.com/security/advisories/VMSA-2009-0016.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• [linux-kernel] 20090311 VFS, NFS security bug? Should CAP_MKNOD and CAP_LINUX_IMMUTABLE be added to CAP_FS_MASK? (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• SUSE-SA:2009:030 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 35185 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• oval:org.mitre.oval:def:10314 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• oval:org.mitre.oval:def:8382 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• SUSE-SA:2009:031 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• SUSE-SA:2009:021 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-793-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• RHSA-2009:1081 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• DSA-1800 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 35343 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9 (opens in a new tab)x_refsource_CONFIRMx_transferred
• linux-kernel-capmknod-security-bypass(49356) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=76a67ec6fb79ff3570dcb5342142c16098299911 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 35121 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2009-3316 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 35394 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2009-1072](https://trackcve.app/badge/CVE-2009-1072.svg)](https://trackcve.app/cve/CVE-2009-1072)

Record last updated 7 Aug 2024, 04:57 UTC.