Is CVE-2014-3940 in the CISA KEV catalog?

No. CVE-2014-3940 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-3940?

CVE-2014-3940 has a CVSS v2 base score of 4.0 (MEDIUM).

What is the EPSS score for CVE-2014-3940?

CVE-2014-3940 has an EPSS score of 0.27% (19th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-3940?

Upgrade linux on debian 11 to 3.14.7-1 or later. Fixes are available for 10 affected products.

CVE & CISA-KEV Catalog

CVE-2014-3940

MEDIUM

4.0

CVSS v2

NVD

Description

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.

CWE-362Race Condition

How to fix

Remediation Available

linuxDebian

Fixed in:3.14.7-1CVE-2014-3940

linuxUbuntu

Fixed in:3.13.0-32.57USN-2290-1

linux-image-3.13.0-32-genericUbuntu

Fixed in:3.13.0-32.57USN-2290-1

linux-image-3.13.0-32-generic-lpaeUbuntu

Fixed in:3.13.0-32.57USN-2290-1

linux-image-3.13.0-32-lowlatencyUbuntu

Fixed in:3.13.0-32.57USN-2290-1

linux-image-3.13.0-32-powerpc-e500Ubuntu

Fixed in:3.13.0-32.57USN-2290-1

linux-image-3.13.0-32-powerpc-e500mcUbuntu

Fixed in:3.13.0-32.57USN-2290-1

linux-image-3.13.0-32-powerpc-smpUbuntu

Fixed in:3.13.0-32.57USN-2290-1

linux-image-3.13.0-32-powerpc64-embUbuntu

Fixed in:3.13.0-32.57USN-2290-1

linux-image-3.13.0-32-powerpc64-smpUbuntu

Fixed in:3.13.0-32.57USN-2290-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.27%probability of exploitation in 30 days

19thpercentile

Low risk: more likely to be exploited than 19% of all known CVEs.

References

Other references9

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.