CVE-2015-8558

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2015/12/14/9 third party advisory mailing list
https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg02124.html mailing list third party advisory patch
http://www.openwall.com/lists/oss-security/2015/12/14/16 third party advisory mailing list
http://www.securityfocus.com/bid/80694 vdb entry third party advisory
http://www.debian.org/security/2016/dsa-3469 third party advisory vendor advisory
http://www.debian.org/security/2016/dsa-3470 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1277983 issue tracking third party advisory
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=156a2e4dbffa85997636a7a39ef12da6f1b40254
http://www.debian.org/security/2016/dsa-3471 third party advisory vendor advisory
https://security.gentoo.org/glsa/201602-01 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-8558?
CVE-2015-8558 has been scored as a medium severity vulnerability.
How to fix CVE-2015-8558?
To fix CVE-2015-8558, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-8558 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-8558 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.