CVE-2015-8558
Advisory lineage Upstream: 0 Downstream: 17
Modified
Published: 23 May 2016, 19:00
Last modified:06 Aug 2024, 08:20
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.09% LOW
0% probability +0.04%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
23 May 2016, 19:00
Published
Vulnerability first disclosed
06 Aug 2024, 08:20
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 0.09%• Percentile: 25%
Techniques & Countermeasures
- 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.
Affected Systems
- debian•debian_linux
7.0 | 8.0
- qemu•qemu
≤ 2.5.1.1
References (10)
- http://www.openwall.com/lists/oss-security/2015/12/14/9
- https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg02124.html
- http://www.openwall.com/lists/oss-security/2015/12/14/16
- http://www.securityfocus.com/bid/80694
- http://www.debian.org/security/2016/dsa-3469
- http://www.debian.org/security/2016/dsa-3470
- https://bugzilla.redhat.com/show_bug.cgi?id=1277983
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=156a2e4dbffa85997636a7a39ef12da6f1b40254
- http://www.debian.org/security/2016/dsa-3471
- https://security.gentoo.org/glsa/201602-01