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CVE-2016-8576

Date: November 4, 2016

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.

Language: C

Severity Score

Related Resources (15)

https://security-tracker.debian.org/tracker/CVE-2016-8576
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-8576
https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01265.html
http://www.openwall.com/lists/oss-security/2016/10/10/6
https://access.redhat.com/security/cve/CVE-2016-8576
https://nvd.nist.gov/vuln/detail/CVE-2016-8576
http://www.securityfocus.com/bid/93469
https://access.redhat.com/errata/RHSA-2017:2392
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=05f43d44e4bc26611ce25fd7d726e483f73363ce
https://access.redhat.com/errata/RHSA-2017:2408
https://security.gentoo.org/glsa/201611-11
http://www.openwall.com/lists/oss-security/2016/10/10/12
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://www.mend.io/vulnerability-database/CVE-2016-8576

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Allocation of Resources Without Limits or Throttling

CWE-770

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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