// For flags

CVE-2014-1896

Gentoo Linux Security Advisory 201407-03

Severity Score

7.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."

Las funciones (1) do_send y (2) do_recv en io.c in libvchan en Xen 4.2.x, 4.3.x y series 4.4-RC permiten a invitados locales causar una denegación de servicio o posiblemente ganar privilegios a través de indices de anillo xenstore manipulados, lo que provoca un "leer o escribir pasado el final del anillo".

Multiple vulnerabilities have been found in Xen, the worst of which could lead to arbitrary code execution. Versions less than 4.3.2-r4 are affected.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Adjacent
Attack Complexity
Medium
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2014-02-07 CVE Reserved
  • 2014-04-01 CVE Published
  • 2024-08-06 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Xen
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Xen
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4.2.0
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-
Affected
Xen
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Xen
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4.2.1
Search vendor "Xen" for product "Xen" and version "4.2.1"
-
Affected
Xen
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Xen
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4.2.2
Search vendor "Xen" for product "Xen" and version "4.2.2"
-
Affected
Xen
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Xen
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4.2.3
Search vendor "Xen" for product "Xen" and version "4.2.3"
-
Affected
Xen
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Xen
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4.3.0
Search vendor "Xen" for product "Xen" and version "4.3.0"
-
Affected
Xen
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Xen
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4.3.1
Search vendor "Xen" for product "Xen" and version "4.3.1"
-
Affected
Xen
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Xen
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4.4.0
Search vendor "Xen" for product "Xen" and version "4.4.0"
rc1
Affected