CVE-2014-8173

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Summary

CVECVE-2014-8173
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-03-16 10:59:03 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe pmd_none_or_trans_huge_or_clear_bad function in include/asm-generic/pgtable.h in the Linux kernel before 3.13 on NUMA systems does not properly determine whether a Page Middle Directory (PMD) entry is a transparent huge-table entry, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted MADV_WILLNEED madvise system call that leverages the absence of a page-table lock.

Risk And Classification

Primary CVSS: v2.0 7.2 from [email protected]

AV:L/AC:L/Au:N/C:C/I:C/A:C

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
[security-announce] openSUSE-SU-2015:0714-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Broken Link
mm: Fix NULL pointer dereference in madvise(MADV_WILLNEED) support · torvalds/linux@ee53664 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Third Party Advisory
Bug 1198457 – CVE-2014-8173 kernel: NULL pointer dereference in madvise(MADV_WILLNEED) support af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory, VDB Entry
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree MITRE git.kernel.org
Red Hat Customer Portal MITRE access.redhat.com
Red Hat Customer Portal MITRE access.redhat.com
access.redhat.com | CVE-2014-8173 MITRE access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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