Vulnerability Name:

CVE-2014-2986 (CCN-92723)

Assigned:2014-04-23
Published:2014-04-23
Updated:2018-10-30
Summary:The vgic_distr_mmio_write function in the virtual guest interrupt controller (GIC) distributor (arch/arm/vgic.c) in Xen 4.4.x, when running on an ARM system, allows local guest users to cause a denial of service (NULL pointer dereference and host crash) via unspecified vectors.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.5 Medium (CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:N/A:C)
4.1 Medium (Temporal CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2014-2986

Source: CCN
Type: SA58192
Xen ARM Virtual GIC Distributor Access Denial of Service Vulnerability

Source: MLIST
Type: UNKNOWN
[oss-security] 20140423 Xen Security Advisory 94 - ARM hypervisor crash on guest interrupt controller access

Source: MLIST
Type: UNKNOWN
[oss-security] 20140423 Re: Xen Security Advisory 94 - ARM hypervisor crash on guest interrupt controller access

Source: MLIST
Type: UNKNOWN
[oss-security] 20140423 Xen Security Advisory 94 (CVE-2014-2986) - ARM hypervisor crash on guest interrupt controller access

Source: BID
Type: UNKNOWN
67047

Source: CCN
Type: BID-67047
Xen CVE-2014-2986 Remote Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1030146

Source: CONFIRM
Type: Patch, Vendor Advisory
http://xenbits.xen.org/xsa/advisory-94.html

Source: CCN
Type: XSA-94
ARM hypervisor crash on guest interrupt controller access

Source: XF
Type: UNKNOWN
xen-cve20142986-dos(92723)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2014-2986

Vulnerable Configuration:Configuration 1:
  • cpe:/o:xen:xen:4.4.0:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.4.0:rc1:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20142986000
    V
    		CVE-2014-2986 on Ubuntu 12.04 LTS (precise) - medium.
    2014-04-28
    oval:com.ubuntu.trusty:def:20142986000
    V
    		CVE-2014-2986 on Ubuntu 14.04 LTS (trusty) - medium.
    2014-04-28
    BACK
    xen xen 4.4.0
    xen xen 4.4.0 rc1