CVE-2016-2197

Description

QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw. It occurs while unmapping the Frame Information Structure (FIS) and Command List Block (CLB) entries. A privileged user inside guest could use this flaw to crash the QEMU process instance resulting in DoS.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory gentoo.org Vendor Advisory gnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/82235 vdb entry third party advisory
http://www.openwall.com/lists/oss-security/2016/01/29/2 third party advisory mailing list
https://security.gentoo.org/glsa/201604-01 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/01/30/1 third party advisory mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=1302057 issue tracking
https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05742.html mailing list patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-2197?
CVE-2016-2197 has been scored as a medium severity vulnerability.
How to fix CVE-2016-2197?
To fix CVE-2016-2197, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-2197 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-2197 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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