CVE-2014-5045
The mountpoint_last function in fs/namei.c in the Linux kernel before 3.15.8 does not properly maintain a certain reference count during attempts to use the umount system call in conjunction with a symlink, which allows local users to cause a denial of service (memory consumption or use-after-free) or possibly have unspecified other impact via the umount program.
Key facts
- CVSS score
- 6.2 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:H/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-59
- EPSS score
- 0.5% (42th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-4944)
- Published
- August 1, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-4944 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
- redhat / enterprise linux eus
- redhat / enterprise linux server aus
- redhat / enterprise linux server tus
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=295dc39d941dc2ae53d5c170365af4c9d5c16212
- http://rhn.redhat.com/errata/RHSA-2015-0062.html(Third Party Advisory)
- http://secunia.com/advisories/60353(Third Party Advisory)
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.8(Patch, Third Party Advisory, Vendor Advisory)
- http://www.openwall.com/lists/oss-security/2014/07/24/2(Mailing List, Third Party Advisory)
- http://www.securityfocus.com/bid/68862(Third Party Advisory, VDB Entry)
- https://bugzilla.redhat.com/show_bug.cgi?id=1122472(Issue Tracking, Third Party Advisory)
- https://github.com/torvalds/linux/commit/295dc39d941dc2ae53d5c170365af4c9d5c16212(Exploit, Patch, Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain