Vulnerability Name:

CVE-2015-0268 (CCN-100868)

Assigned:2014-11-18
Published:2015-02-12
Updated:2018-10-30
Summary:The vgic_v2_to_sgi function in arch/arm/vgic-v2.c in Xen 4.5.x, when running on ARM hardware with general interrupt controller (GIC) version 2, allows local guest users to cause a denial of service (host crash) by writing an invalid value to the GICD.SGIR register.
CVSS v3 Severity:6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
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): High
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
3.7 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/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): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2015-0268

Source: BID
Type: UNKNOWN
72591

Source: CCN
Type: BID-72591
Xen CVE-2015-0268 Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1031746

Source: CCN
Type: Xen Security Advisory XSA-117
arm: vgic-v2: GICD_SGIR is not properly emulated

Source: CONFIRM
Type: Vendor Advisory
http://xenbits.xen.org/xsa/advisory-117.html

Source: XF
Type: UNKNOWN
xen-cve20150268-dos(100868)

Source: XF
Type: UNKNOWN
xen-cve20150268-dos(100868)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2015-0268

Vulnerable Configuration:Configuration 1:
  • cpe:/o:xen:xen:4.5.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:xensource:xen:4.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20150268000
    V
    		CVE-2015-0268 on Ubuntu 12.04 LTS (precise) - medium.
    2015-02-16
    oval:com.ubuntu.trusty:def:20150268000
    V
    		CVE-2015-0268 on Ubuntu 14.04 LTS (trusty) - medium.
    2015-02-16
    BACK
    xen xen 4.5.0
    xensource xen 4.5