Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | 1.6.0 |
Related Weaknesses (CWE)
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=23820dbfc79d1c9dce090b4c555994f2b
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=c3c1bb99d1c11978d9ce94d1bdcf07053
- 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/2016/03/01/1Mailing ListPatch
- http://www.openwall.com/lists/oss-security/2016/03/01/10Mailing ListPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=1300771Issue Tracking
- https://lists.gnu.org/archive/html/qemu-stable/2016-01/msg00060.htmlMailing List
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=23820dbfc79d1c9dce090b4c555994f2b
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=c3c1bb99d1c11978d9ce94d1bdcf07053
- http://rhn.redhat.com/errata/RHSA-2016-2670.html
- http://rhn.redhat.com/errata/RHSA-2016-2671.html
FAQ
What is CVE-2015-8817?
CVE-2015-8817 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 call...
How severe is CVE-2015-8817?
CVE-2015-8817 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-8817?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.