{"id":"CVE-2014-8173","details":"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.","modified":"2026-04-10T03:44:05.257619Z","published":"2015-03-16T10:59:03Z","references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-0290.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-0694.html"},{"type":"ADVISORY","url":"https://github.com/torvalds/linux/commit/ee53664bda169f519ce3c6a22d378f0b946c8178"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1198457"},{"type":"WEB","url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ee53664bda169f519ce3c6a22d378f0b946c8178"}],"schema_version":"1.7.5"}