Upstream information

CVE-2017-7889 at MITRE

Description

The mm subsystem in the Linux kernel through 4.10.10 does not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism, which allows local users to read or write to kernel memory locations in the first megabyte (and bypass slab-allocation access restrictions) via an application that opens the /dev/mem file, related to arch/x86/mm/init.c and drivers/char/mem.c.

SUSE information

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 7.15 4.64
Vector AV:L/AC:L/Au:N/C:C/I:C/A:C AV:L/AC:L/Au:N/C:P/I:P/A:P
Access Vector Local Local
Access Complexity Low Low
Authentication None None
Confidentiality Impact Complete Partial
Integrity Impact Complete Partial
Availability Impact Complete Partial

This issue is currently rated as having moderate severity.

SUSE Bugzilla entry: 1034405 [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 SP1
  • SUSE Linux Enterprise Desktop 12 SP2
  • SUSE Linux Enterprise Server 11 SP3 LTSS
  • SUSE Linux Enterprise Server 11 SP4
  • SUSE Linux Enterprise Server 12 GA
  • SUSE Linux Enterprise Server 12 SP1
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server for SAP 11 SP3
  • SUSE Linux Enterprise Server for SAP 11 SP4
  • 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