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Description: missing check during hugepage migration
References:
Notes:
bwh> Hugepage migration was extended in 3.12 and it's not clear that
bwh> there is a security impact for older versions. The upstream commit
bwh> indicates that is the earliest stable branch it should be backported
bwh> to. But it should be harmless to add the pte_present() check to
bwh> older versions anyway.
Bugs:
upstream: released (3.15-rc8) [d4c54919ed86302094c0ca7d48a8cbd4ee753e92]
2.6.32-upstream-stable: N/A "Only needed for 3.12 and later"
sid: released (3.14.7-1)
3.2-wheezy-security: released (3.2.60-1) [bugfix/all/mm-add-pte_present-check-on-existing-hugetlb_entry-c.patch]
2.6.32-squeeze-security: N/A "Only needed for 3.12 and later"
3.2-upstream-stable: N/A "Only needed for 3.12 and later"
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