CVE-2015-6855: Divide by Zero
hw/ide/core.c in QEMU does not properly restrict the commands accepted by an ATAPI device, which allows guest users to cause a denial of service or possibly have unspecified other impact via certain IDE commands, as demonstrated by a WINREADNATIVEMAX command to an empty drive, which triggers a divide-by-zero error and instance crash.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2015-6855?
CVE-2015-6855 is classified as a medium severity vulnerability due to its potential for denial of service.
How do I fix CVE-2015-6855?
To fix CVE-2015-6855, update QEMU to version 2.4.2 or later, or apply the appropriate patches provided by your distribution.
Which software is affected by CVE-2015-6855?
CVE-2015-6855 affects multiple versions of QEMU and various Linux distributions including Debian, Fedora, SUSE, and Ubuntu.
What kind of impact can CVE-2015-6855 have?
CVE-2015-6855 can lead to denial of service or potentially other unspecified impacts when exploited.
When was CVE-2015-6855 reported?
CVE-2015-6855 was reported in October 2015.