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CVE-2015-8558

Good to know:

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Date: May 23, 2016

The ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular isochronous transfer descriptor (iTD) list.

Language: C

Severity Score

Related Resources (15)

https://access.redhat.com/security/cve/CVE-2015-8558
https://security-tracker.debian.org/tracker/CVE-2015-8558
http://www.openwall.com/lists/oss-security/2015/12/14/9
http://www.openwall.com/lists/oss-security/2015/12/14/16
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-8558
http://www.debian.org/security/2016/dsa-3469
http://www.securityfocus.com/bid/80694
https://security.gentoo.org/glsa/201602-01
https://nvd.nist.gov/vuln/detail/CVE-2015-8558
http://www.debian.org/security/2016/dsa-3470
http://www.debian.org/security/2016/dsa-3471
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=156a2e4dbffa85997636a7a39ef12da6f1b40254
https://bugzilla.redhat.com/show_bug.cgi?id=1277983
https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg02124.html
https://www.mend.io/vulnerability-database/CVE-2015-8558

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
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): COMPLETE
Additional information:

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