CVE-2016-8578

Description

The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) by sending an empty string parameter to a 9P operation.

6.0

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.12%

Vendor Advisory gentoo.org Vendor Advisory opensuse.org

Affected: n/a n/a

References

Link	Tags
http://www.openwall.com/lists/oss-security/2016/10/10/14	third party advisory mailing list
http://www.openwall.com/lists/oss-security/2016/10/10/8	third party advisory mailing list
https://security.gentoo.org/glsa/201611-11	third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html	mailing list third party advisory vendor advisory
http://www.securityfocus.com/bid/93474	vdb entry 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/msg07143.html	mailing list third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2016-8578?: CVE-2016-8578 has been scored as a medium severity vulnerability.
How to fix CVE-2016-8578?: To fix CVE-2016-8578, 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-2016-8578 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2016-8578 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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