CVE-2015-8817

Description

QEMU (aka Quick Emulator) built to use 'address_space_translate' to map an address to a MemoryRegionSection is vulnerable to an OOB r/w access issue. It could occur while doing pci_dma_read/write calls. Affects QEMU versions >= 1.6.0 and <= 2.3.1. A privileged user inside guest could use this flaw to crash the guest instance resulting in DoS.

References

http://git.qemu.org/?p=qemu.git;a=commit;h=23820dbfc79d1c9dce090b4c555994f2bb6a69b3

http://git.qemu.org/?p=qemu.git;a=commit;h=c3c1bb99d1c11978d9ce94d1bdcf0705378c1459

http://rhn.redhat.com/errata/RHSA-2016-2670.html

http://rhn.redhat.com/errata/RHSA-2016-2671.html

http://rhn.redhat.com/errata/RHSA-2016-2704.html

http://rhn.redhat.com/errata/RHSA-2016-2705.html

http://rhn.redhat.com/errata/RHSA-2016-2706.html

http://www.openwall.com/lists/oss-security/2016/03/01/1

http://www.openwall.com/lists/oss-security/2016/03/01/10

https://bugzilla.redhat.com/show_bug.cgi?id=1300771

https://lists.gnu.org/archive/html/qemu-stable/2016-01/msg00060.html

Details

Risk Information

CVSS v2

CVSS v3