Unrated severityNVD Advisory· Published Mar 16, 2015· Updated Jun 17, 2026
CVE-2014-8173
CVE-2014-8173
Description
The 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.
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Affected products
2Patches
Vulnerability mechanics
References
6- lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.htmlnvdThird Party Advisory
- rhn.redhat.com/errata/RHSA-2015-0290.htmlnvdThird Party AdvisoryVDB Entry
- rhn.redhat.com/errata/RHSA-2015-0694.htmlnvdThird Party Advisory
- github.com/torvalds/linux/commit/ee53664bda169f519ce3c6a22d378f0b946c8178nvdThird Party Advisory
- git.kernel.orgnvdBroken Link
- bugzilla.redhat.com/show_bug.cginvdIssue Tracking
News mentions
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