Vulnerability Description
The cpu_physical_memory_write_rom_internal function in exec.c in QEMU (aka Quick Emulator) does not properly skip MMIO regions, which allows local privileged guest users to cause a denial of service (guest crash) via unspecified vectors.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.3.1 |
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b242e0e0e2969c044a318e56f7988bbd8
- http://rhn.redhat.com/errata/RHSA-2016-2670.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2671.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2704.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2705.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2706.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/03/01/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/03/01/10Mailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1300771Issue Tracking
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b242e0e0e2969c044a318e56f7988bbd8
- http://rhn.redhat.com/errata/RHSA-2016-2670.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2671.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2704.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2705.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2706.htmlThird Party Advisory
FAQ
What is CVE-2015-8818?
CVE-2015-8818 is a vulnerability with a CVSS score of 5.5 (MEDIUM). The cpu_physical_memory_write_rom_internal function in exec.c in QEMU (aka Quick Emulator) does not properly skip MMIO regions, which allows local privileged guest users to cause a denial of service (...
How severe is CVE-2015-8818?
CVE-2015-8818 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-2015-8818?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.