CVE-2017-5973

Description

The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors related to control transfer descriptor sequence.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory redhat.com Vendor Advisory gentoo.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/2017-02/msg01101.html mailing list third party advisory patch
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html third party advisory mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=1421626 issue tracking third party advisory patch
https://access.redhat.com/errata/RHSA-2017:2392 third party advisory vendor advisory
https://security.gentoo.org/glsa/201704-01 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2017/02/13/11 mailing list third party advisory patch
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=f89b60f6e5fee3923bedf80e82b4e5efc1bb156b
http://www.securityfocus.com/bid/96220 vdb entry third party advisory
https://access.redhat.com/errata/RHSA-2017:2408 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-5973?
CVE-2017-5973 has been scored as a medium severity vulnerability.
How to fix CVE-2017-5973?
To fix CVE-2017-5973, 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-2017-5973 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-5973 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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