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CVE-2014-7970
The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a…
Medium5.5EPSS 0.67%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.67% · top 48% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (16)
- SUSE-SU-2015:0736 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 70319 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d0826019e529f21c84687521d03f60cd241ca7d (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-2419-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-2514-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1151095 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 60174 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [oss-security] 20141008 CVE-2014-7970: Linux VFS denial of service (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-2420-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2017:2077 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [linux-fsdevel] 20141008 [PATCH] mnt: Prevent pivot_root from creating a loop in the mount tree (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2017:1842 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- linux-kernel-cve20147970-dos(96921) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- USN-2513-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 61142 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1030991 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_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)
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[](https://trackcve.app/cve/CVE-2014-7970)Record last updated .