Medium severity · published May 23, 2016
CVE-2015-8558
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…
5.5
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
7.0; 8.0 · source: NVD
QE
Qemu · Qemu
through 2.5.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8558
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8558
git.qemu.org
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=156a2e4dbffa85997636a7a39ef12da6f1b40254
Third Party Advisory
http://www.debian.org/security/2016/dsa-3469
Third Party Advisory
http://www.debian.org/security/2016/dsa-3470
Third Party Advisory
http://www.debian.org/security/2016/dsa-3471
Mailing List
http://www.openwall.com/lists/oss-security/2015/12/14/16
Mailing List
http://www.openwall.com/lists/oss-security/2015/12/14/9
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