Upstream information

CVE-2018-3640 at MITRE

Description

Systems with microprocessors utilizing speculative execution and that perform speculative reads of system registers may allow unauthorized disclosure of system parameters to an attacker with local user access via a side-channel analysis, aka Rogue System Register Read (RSRE), Variant 3a.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  SUSE
Base Score 4.3
Vector AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Access Vector Local
Access Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality Impact Low
Integrity Impact None
Availability Impact None

Note from the SUSE Security Team

This issue affects Intel x86 based systems only. It will be solved by using CPU Microcode updates, without help from Operating System software.

SUSE Bugzilla entries: 0 [RESOLVED / WONTFIX], 1074701 [IN_PROGRESS], 1087083 [NEW]

SUSE Security Advisories:
  • TID7022512, published Sa 3. Mär 12:01:04 CET 2018
  • TID7022950, published Tue May 22 00:46:29 CEST 2018


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 SP2 ucode-intel Unsupported
SUSE Linux Enterprise Desktop 12 SP3 ucode-intel Affected
SUSE Linux Enterprise Server 11 SP3 LTSS microcode_ctl Affected
SUSE Linux Enterprise Server 11 SP4 microcode_ctl Affected
SUSE Linux Enterprise Server 12 GA LTSS ucode-intel Affected
SUSE Linux Enterprise Server 12 SP1 LTSS ucode-intel Affected
SUSE Linux Enterprise Server 12 SP2 ucode-intel Unsupported
SUSE Linux Enterprise Server 12 SP3 ucode-intel Affected