CVE-2016-7909

Description

The pcnet_rdra_addr function in hw/net/pcnet.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by setting the (1) receive or (2) transmit descriptor ring length to 0.

Category

4.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory gnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/93275 third party advisory vdb entry
https://security.gentoo.org/glsa/201611-11 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/10/03/6 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2016/10/03/3 third party advisory mailing list
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html vendor advisory mailing list third party advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html third party advisory mailing list
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07942.html patch vendor advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2016-7909?
CVE-2016-7909 has been scored as a medium severity vulnerability.
How to fix CVE-2016-7909?
To fix CVE-2016-7909, 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-2016-7909 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-7909 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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