CVE-2016-8576

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.

• CWE-770

• http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=05f43d44e4bc26611ce25fd7d726e483f73363ce
• http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/10/10/12Mailing List, Patch, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/10/10/6Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/93469Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing List, Third Party Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01265.htmlPatch, Third Party Advisory
• https://security.gentoo.org/glsa/201611-11Third Party Advisory
• http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=05f43d44e4bc26611ce25fd7d726e483f73363ce
• http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.htmlMailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/10/10/12Mailing List, Patch, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2016/10/10/6Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/93469Third Party Advisory, VDB Entry
• https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
• https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing List, Third Party Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01265.htmlPatch, Third Party Advisory
• https://security.gentoo.org/glsa/201611-11Third Party Advisory

Published

Nov 4, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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