CVE - CVE-2014-3940

CVE-ID
CVE-2014-3940	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BID:67786 URL:http://www.securityfocus.com/bid/67786 CONFIRM:https://bugzilla.redhat.com/show_bug.cgi?id=1104097 CONFIRM:https://support.f5.com/kb/en-us/solutions/public/15000/600/sol15685.html MLIST:[linux-kernel] 20140318 [PATCH RESEND -mm 1/2] mm: add !pte_present() check on existing hugetlb_entry callbacks URL:https://lkml.org/lkml/2014/3/18/784 MLIST:[oss-security] 20140602 CVE-2014-3940 - Linux kernel - missing check during hugepage migration URL:http://www.openwall.com/lists/oss-security/2014/06/02/5 REDHAT:RHSA-2015:0290 URL:http://rhn.redhat.com/errata/RHSA-2015-0290.html REDHAT:RHSA-2015:1272 URL:http://rhn.redhat.com/errata/RHSA-2015-1272.html SECUNIA:59011 URL:http://secunia.com/advisories/59011 SECUNIA:61310 URL:http://secunia.com/advisories/61310
Assigning CNA
MITRE Corporation
Date Record Created
20140602	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20140602)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
This is an record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: CVE Request Web Form (select "Other" from dropdown)