CVE-2015-8558 : The ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU allows local guest OS

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.

Published 2016-05-23 19:59:00

Updated 2023-02-12 23:15:38

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2015-8558

Debian » Debian Linux » Version: 7.0
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Qemu » Qemu
Versions up to, including, (<=) 2.5.1.1
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2015-8558

Top countries where our scanners detected CVE-2015-8558

Top open port discovered on systems with this issue 22

IPs affected by CVE-2015-8558 2

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2015-8558!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2015-8558

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 25 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2015-8558

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.9	MEDIUM	AV:L/AC:L/Au:N/C:N/I:N/A:C	3.9	6.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2015-8558

CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-8558

http://www.securityfocus.com/bid/80694

QEMU CVE-2015-8558 Denial of Service Vulnerability
Third Party Advisory;VDB Entry
http://www.debian.org/security/2016/dsa-3469

Debian -- Security Information -- DSA-3469-1 qemu
Third Party Advisory

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2015/12/14/16

oss-security - Re: CVE request Qemu: usb: infinite loop in ehci_advance_state results in DoS
Mailing List;Third Party Advisory
http://www.debian.org/security/2016/dsa-3471

Debian -- Security Information -- DSA-3471-1 qemu
Third Party Advisory

CVEs referencing this url
https://security.gentoo.org/glsa/201602-01

QEMU: Multiple vulnerabilities (GLSA 201602-01) — Gentoo security
Third Party Advisory

CVEs referencing this url
https://bugzilla.redhat.com/show_bug.cgi?id=1277983

1277983 – (CVE-2015-8558) CVE-2015-8558 Qemu: usb: infinite loop in ehci_advance_state results in DoS
Issue Tracking;Third Party Advisory
http://www.debian.org/security/2016/dsa-3470

Debian -- Security Information -- DSA-3470-1 qemu-kvm
Third Party Advisory

CVEs referencing this url
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=156a2e4dbffa85997636a7a39ef12da6f1b40254

QEMU · GitLab
http://www.openwall.com/lists/oss-security/2015/12/14/9

oss-security - CVE request Qemu: usb: infinite loop in ehci_advance_state results in DoS
Mailing List;Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg02124.html

[Qemu-devel] [PATCH] ehci: make idt processing more robust
Mailing List;Patch;Third Party Advisory