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PRIOn knowledge basePRION:CVE-2015-7549HistoryOct 30, 2017 - 2:29 p.m.
Null pointer dereference
2017-10-3014:29:00
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The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.
References
git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=43b11a91dd861a946b231b89b754285
www.debian.org/security/2016/dsa-3471
www.openwall.com/lists/oss-security/2015/12/14/2
www.securityfocus.com/bid/80761
bugzilla.redhat.com/show_bug.cgi?id=1291137
lists.fedoraproject.org/pipermail/package-announce/2016-January/175380.html
security.gentoo.org/glsa/201602-01
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