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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.27% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 19.6% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2014-06-05 17:00Z12 YR AGO
- Last updated
- 2024-08-06 10:57Z2 YR AGO
- Reserved
- 2014-06-02
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
- Data version
- 5.1
- Document digest
- 0bf34f07fb02e0b880646991f407ce63f59cb87d9eb00d08ce005f18d0beb7ec
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1104097
- secunia.com59011http://secunia.com/advisories/59011
- lkml.org[linux-kernel] 20140318 [PATCH RESEND -mm 1/2] mm: add !pte_present() check on existing hugetlb_entry callbackshttps://lkml.org/lkml/2014/3/18/784
- support.f5.comhttps://support.f5.com/kb/en-us/solutions/public/15000/600/sol15685.html
- rhn.redhat.comRHSA-2015:0290http://rhn.redhat.com/errata/RHSA-2015-0290.html
- www.openwall.com[oss-security] 20140602 CVE-2014-3940 - Linux kernel - missing check during hugepage migrationhttp://www.openwall.com/lists/oss-security/2014/06/02/5
- www.securityfocus.com67786http://www.securityfocus.com/bid/67786
- secunia.com61310http://secunia.com/advisories/61310
- rhn.redhat.comRHSA-2015:1272http://rhn.redhat.com/errata/RHSA-2015-1272.html
07 Fixed in
Debian 12
- linux Fixed in 3.14.7-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 3.14.7-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 3.14.7-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- linux Fixed in 3.13.0-32.57
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.