Upstream information

CVE-2017-7995 at MITRE

Description

Xen PV guest before Xen 4.3 checked access permissions to MMIO ranges only after accessing them, allowing host PCI device space memory reads, leading to information disclosure. This is an error in the get_user function. NOTE: the upstream Xen Project considers versions before 4.5.x to be EOL.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 1.7 3.5
Vector AV:L/AC:L/Au:S/C:P/I:N/A:N AV:L/AC:H/Au:S/C:P/I:P/A:P
Access Vector Local Local
Access Complexity Low High
Authentication Single Single
Confidentiality Impact Partial Partial
Integrity Impact None Partial
Availability Impact None Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 3.8
Vector AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Access Vector Local
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Impact Low
Integrity Impact None
Availability Impact None
SUSE Bugzilla entry: 1033948 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Point of Sale 11 SP3
  • xen >= 4.2.5_21-41.1
  • xen-kmp-default >= 4.2.5_21_3.0.101_0.47.99-41.1
  • xen-kmp-pae >= 4.2.5_21_3.0.101_0.47.99-41.1
  • xen-libs >= 4.2.5_21-41.1
  • xen-tools-domU >= 4.2.5_21-41.1
Patchnames:
sleposp3-xen-13085
SUSE Linux Enterprise Server 11 SP3-LTSS
  • xen >= 4.2.5_21-41.1
  • xen-doc-html >= 4.2.5_21-41.1
  • xen-doc-pdf >= 4.2.5_21-41.1
  • xen-kmp-default >= 4.2.5_21_3.0.101_0.47.99-41.1
  • xen-kmp-pae >= 4.2.5_21_3.0.101_0.47.99-41.1
  • xen-libs >= 4.2.5_21-41.1
  • xen-libs-32bit >= 4.2.5_21-41.1
  • xen-tools >= 4.2.5_21-41.1
  • xen-tools-domU >= 4.2.5_21-41.1
Patchnames:
slessp3-xen-13085
SUSE Linux Enterprise Server for SAP Applications 11 SP3-LTSS
  • xen >= 4.2.5_21-41.1
  • xen-doc-html >= 4.2.5_21-41.1
  • xen-doc-pdf >= 4.2.5_21-41.1
  • xen-kmp-default >= 4.2.5_21_3.0.101_0.47.99-41.1
  • xen-kmp-pae >= 4.2.5_21_3.0.101_0.47.99-41.1
  • xen-libs >= 4.2.5_21-41.1
  • xen-libs-32bit >= 4.2.5_21-41.1
  • xen-tools >= 4.2.5_21-41.1
  • xen-tools-domU >= 4.2.5_21-41.1
Patchnames:
slessp3-xen-13085
SUSE Manager 2.1
  • xen >= 4.2.5_21-41.1
  • xen-doc-html >= 4.2.5_21-41.1
  • xen-doc-pdf >= 4.2.5_21-41.1
  • xen-kmp-default >= 4.2.5_21_3.0.101_0.47.99-41.1
  • xen-libs >= 4.2.5_21-41.1
  • xen-libs-32bit >= 4.2.5_21-41.1
  • xen-tools >= 4.2.5_21-41.1
  • xen-tools-domU >= 4.2.5_21-41.1
Patchnames:
sleman21-xen-13085
SUSE Manager Proxy 2.1
  • xen >= 4.2.5_21-41.1
  • xen-doc-html >= 4.2.5_21-41.1
  • xen-doc-pdf >= 4.2.5_21-41.1
  • xen-kmp-default >= 4.2.5_21_3.0.101_0.47.99-41.1
  • xen-libs >= 4.2.5_21-41.1
  • xen-libs-32bit >= 4.2.5_21-41.1
  • xen-tools >= 4.2.5_21-41.1
  • xen-tools-domU >= 4.2.5_21-41.1
Patchnames:
slemap21-xen-13085
SUSE OpenStack Cloud 5
  • xen >= 4.2.5_21-41.1
  • xen-doc-html >= 4.2.5_21-41.1
  • xen-doc-pdf >= 4.2.5_21-41.1
  • xen-kmp-default >= 4.2.5_21_3.0.101_0.47.99-41.1
  • xen-libs >= 4.2.5_21-41.1
  • xen-libs-32bit >= 4.2.5_21-41.1
  • xen-tools >= 4.2.5_21-41.1
  • xen-tools-domU >= 4.2.5_21-41.1
Patchnames:
sleclo50sp3-xen-13085


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Desktop 12 SP1 xen Not affected
SUSE Linux Enterprise Desktop 12 SP2 xen Not affected
SUSE Linux Enterprise SDK 11 SP4 xen Not affected
SUSE Linux Enterprise SDK 12 SP1 xen Not affected
SUSE Linux Enterprise SDK 12 SP2 xen Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS xen Released
SUSE Linux Enterprise Server 11 SP4 xen Not affected
SUSE Linux Enterprise Server 12 GA LTSS xen Not affected
SUSE Linux Enterprise Server 12 SP1 xen Not affected
SUSE Linux Enterprise Server 12 SP2 xen Not affected