CVE-2017-5973
First published: Mon Feb 13 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU | <=2.8.1.1 | |
| Debian | =8.0 | |
| Red Hat OpenStack for IBM Power | =6.0 | |
| Red Hat OpenStack for IBM Power | =7.0 | |
| Red Hat OpenStack for IBM Power | =8 | |
| Red Hat OpenStack for IBM Power | =9 | |
| Red Hat OpenStack for IBM Power | =10 | |
| Red Hat OpenStack for IBM Power | =11 | |
| Red Hat Enterprise Virtualization | =4.0 | |
| Red Hat Enterprise Linux | =7.0 |
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Reference Links
- http://git.qemu-project.org/?p=qemu.git;a=commit;h=f89b60f6e5fee3923bedf80e82b4e5efc1bb156b
- http://www.openwall.com/lists/oss-security/2017/02/13/11
- http://www.securityfocus.com/bid/96220
- https://access.redhat.com/errata/RHSA-2017:2392
- https://access.redhat.com/errata/RHSA-2017:2408
- https://bugzilla.redhat.com/show_bug.cgi?id=1421626
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg01101.html
- https://security.gentoo.org/glsa/201704-01
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1421627
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=f89b60f6e5fee3923bedf80e82b4e5efc1bb156b
Frequently Asked Questions
What is the severity of CVE-2017-5973?
CVE-2017-5973 has been classified as a high severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2017-5973?
To fix CVE-2017-5973, upgrade QEMU to version 2.8.2 or later.
Which versions of QEMU are affected by CVE-2017-5973?
CVE-2017-5973 affects QEMU versions up to and including 2.8.1.1.
What type of attack does CVE-2017-5973 facilitate?
CVE-2017-5973 allows local guest OS privileged users to cause a denial of service through an infinite loop.
What is the impact of CVE-2017-5973 on affected systems?
The impact of CVE-2017-5973 on affected systems includes potential crashes of the QEMU process, resulting in service downtime.
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