CVE-2014-3940
The Linux kernel through 3.14.5 does not properly consider the presence of hugetlb entries, which allows local users to cause a denial of service (memory corruption or system crash) by accessing certain memory locations, as demonstrated by triggering a race condition via numa_maps read operations during hugepage migration, related to fs/proc/task_mmu.c and mm/mempolicy.c.
Key facts
- CVSS score
- 4.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:H/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-362
- EPSS score
- 0.3% (20th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-3877)
- Published
- June 5, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-3877 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- redhat / enterprise linux
- redhat / enterprise mrg
References
- http://rhn.redhat.com/errata/RHSA-2015-0290.html
- http://rhn.redhat.com/errata/RHSA-2015-1272.html
- http://secunia.com/advisories/59011
- http://secunia.com/advisories/61310
- http://www.openwall.com/lists/oss-security/2014/06/02/5
- http://www.securityfocus.com/bid/67786
- https://bugzilla.redhat.com/show_bug.cgi?id=1104097
- https://lkml.org/lkml/2014/3/18/784
- https://support.f5.com/kb/en-us/solutions/public/15000/600/sol15685.html
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