// For flags

CVE-2017-1000407

Kernel: KVM: DoS via write flood to I/O port 0x80

Severity Score

7.4
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The Linux Kernel 2.6.32 and later are affected by a denial of service, by flooding the diagnostic port 0x80 an exception can be triggered leading to a kernel panic.

El kernel de Linux en versiones 2.6.32 y posteriores se ha visto afectado por una denegación de servicio (DoS): al inundar el puerto de diagnóstico 0x80 puede ocurrir una excepción que conduce a una situación de pánico del kernel.

Linux kernel Virtualization Module (CONFIG_KVM) for the Intel processor family (CONFIG_KVM_INTEL) is vulnerable to a DoS issue. It could occur if a guest was to flood the I/O port 0x80 with write requests. A guest user could use this flaw to crash the host kernel resulting in DoS.

*Credits: N/A
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Adjacent
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
Attack Vector
Adjacent
Attack Complexity
High
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-04-03 CVE Published
  • 2017-12-05 CVE Reserved
  • 2023-06-13 EPSS Updated
  • 2024-08-05 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-248: Uncaught Exception
  • CWE-754: Improper Check for Unusual or Exceptional Conditions
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Redhat
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 Virtualization Host
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 4.0
Search vendor "Redhat" for product "Virtualization Host" and version "4.0"
-
Affected
Redhat
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 Enterprise Linux Desktop
Search vendor "Redhat" for product "Enterprise Linux Desktop"
 7.0
Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"
-
Affected
Redhat
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 Enterprise Linux Server
Search vendor "Redhat" for product "Enterprise Linux Server"
 7.0
Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"
-
Affected
Redhat
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 Enterprise Linux Server Aus
Search vendor "Redhat" for product "Enterprise Linux Server Aus"
 7.6
Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "7.6"
-
Affected
Redhat
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 Enterprise Linux Server Eus
Search vendor "Redhat" for product "Enterprise Linux Server Eus"
 7.6
Search vendor "Redhat" for product "Enterprise Linux Server Eus" and version "7.6"
-
Affected
Redhat
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 Enterprise Linux Server Tus
Search vendor "Redhat" for product "Enterprise Linux Server Tus"
 7.6
Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "7.6"
-
Affected
Redhat
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 Enterprise Linux Workstation
Search vendor "Redhat" for product "Enterprise Linux Workstation"
 7.0
Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"
-
Affected
Linux
Search vendor "Linux"
 Linux Kernel
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 >= 2.6.32 < 4.15
Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.32 < 4.15"
-
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 4.15
Search vendor "Linux" for product "Linux Kernel" and version "4.15"
rc1
Affected
Linux
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 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 4.15
Search vendor "Linux" for product "Linux Kernel" and version "4.15"
rc2
Affected
Debian
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 Debian Linux
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 7.0
Search vendor "Debian" for product "Debian Linux" and version "7.0"
-
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
Debian
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 Debian Linux
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 9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected
Canonical
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 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 12.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"
esm
Affected
Canonical
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 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 14.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"
lts
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 16.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"
lts
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 17.10
Search vendor "Canonical" for product "Ubuntu Linux" and version "17.10"
-
Affected