Vulnerability Name:

CVE-2017-15593

Assigned:2017-10-18
Published:2017-10-12
Updated:2018-02-03
Summary:An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (memory leak) because reference counts are mishandled.
CVSS v3 Severity:6.5 Medium (CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.1 High (CCN CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
6.2 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
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)
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)
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-119
References:Source: SECTRACK
Type: VENDOR_ADVISORY
1039568

Source: XF
Type: UNKNOWN
xen-page-type-dos(133338)

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20171120 [SECURITY] [DLA 1181-1] xen security update

Source: GENTOO
Type: UNKNOWN
GLSA-201801-14

Source: CONFIRM
Type: UNKNOWN
https://support.citrix.com/article/CTX228867

Source: DEBIAN
Type: UNKNOWN
DSA-4050

Source: CONFIRM
Type: VENDOR_ADVISORY
https://xenbits.xen.org/xsa/advisory-242.html

Vulnerable Configuration:Configuration 1:
  • cpe:/o:xen:xen:4.9.0:*:*:*:*:*:*:*

    • Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201715593
    V
    		CVE-2017-15593
    2018-04-25
    oval:com.ubuntu.xenial:def:201715593000
    V
    		CVE-2017-15593 on Ubuntu 16.04 LTS (xenial) - untriaged.
    2017-10-18
    oval:com.ubuntu.trusty:def:201715593000
    V
    		CVE-2017-15593 on Ubuntu 14.04 LTS (trusty) - untriaged.
    2017-10-18
    oval:com.ubuntu.artful:def:201715593000
    V
    		CVE-2017-15593 on Ubuntu 17.10 (artful) - untriaged.
    2017-10-18
    BACK
    xen xen 4.9.0