// For flags

CVE-2017-5973

Qemu: usb: infinite loop while doing control transfer in xhci_kick_epctx

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The xhci_kick_epctx function in hw/usb/hcd-xhci.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors related to control transfer descriptor sequence.

La función xhci_kick_epctx en hw/usb/hcd-xhci.c en QEMU (también conocido como Quick Emulator) permite a usuarios locales privilegiados del SO invitado provocar una denegación de servicio (bucle infinito y caída del proceso QEMU) a través de vectores relacionados con la secuencia del descriptor de transferencia de control.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
Attack Vector
Adjacent
Attack Complexity
Medium
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-02-13 CVE Reserved
  • 2017-03-27 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Redhat
Search vendor "Redhat"
 Virtualization
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 4.0
Search vendor "Redhat" for product "Virtualization" and version "4.0"
-
Affected
in Redhat
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 Enterprise Linux
Search vendor "Redhat" for product "Enterprise Linux"
 7.0
Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"
-
Safe
Qemu
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 Qemu
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 <= 2.8.1.1
Search vendor "Qemu" for product "Qemu" and version " <= 2.8.1.1"
-
Affected
Debian
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 Debian Linux
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 8.0
Search vendor "Debian" for product "Debian Linux" and version "8.0"
-
Affected
Redhat
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 Openstack
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 6.0
Search vendor "Redhat" for product "Openstack" and version "6.0"
-
Affected
Redhat
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 Openstack
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 7.0
Search vendor "Redhat" for product "Openstack" and version "7.0"
-
Affected
Redhat
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 Openstack
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 8
Search vendor "Redhat" for product "Openstack" and version "8"
-
Affected
Redhat
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 Openstack
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 9
Search vendor "Redhat" for product "Openstack" and version "9"
-
Affected
Redhat
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 Openstack
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 10
Search vendor "Redhat" for product "Openstack" and version "10"
-
Affected
Redhat
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 Openstack
Search vendor "Redhat" for product "Openstack"
 11
Search vendor "Redhat" for product "Openstack" and version "11"
-
Affected