CVE-2016-8576

Description

The xhci_ring_fetch function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit the number of link Transfer Request Blocks (TRB) to process.

Category

6.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01265.html patch mailing list third party advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html third party advisory mailing list
https://security.gentoo.org/glsa/201611-11 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/10/10/6 third party advisory mailing list
https://access.redhat.com/errata/RHSA-2017:2392 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html vendor advisory mailing list third party advisory
http://www.openwall.com/lists/oss-security/2016/10/10/12 patch mailing list third party advisory
https://access.redhat.com/errata/RHSA-2017:2408 third party advisory vendor advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=05f43d44e4bc26611ce25fd7d726e483f73363ce
http://www.securityfocus.com/bid/93469 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-8576?
CVE-2016-8576 has been scored as a medium severity vulnerability.
How to fix CVE-2016-8576?
To fix CVE-2016-8576, 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-2016-8576 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-8576 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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