Upstream information

CVE-2017-7495 at MITRE

Description

fs/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by waiting for a hardware reset, creating a new file, making write system calls, and reading this file.

SUSE information

CVSS v2 Scores
  National Vulnerability Database
Base Score 2.11
Vector AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database
Base Score 5.5
Vector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Access Vector Local
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None

This issue is currently rated as having moderate severity.

SUSE Bugzilla entry: 1039010 [NEW]

No SUSE Security Announcements cross referenced.


List of planned updates

The following information is the current evaluation information for this security issue. It might neither be accurate nor complete, Use at own risk.
Product(s) Source package
  • SUSE Linux Enterprise Desktop 12 SP2
  • SUSE Linux Enterprise Server 12 GA
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server for SAP 12 GA
  • SUSE Linux Enterprise Server for SAP 12 SP1
  • SUSE Linux Enterprise Server for SAP 12 SP2
kernel-source