Alerts This Week
Warning Icon 1 758
Alerts This Week
Warning Icon 1 758

Debian 8 LTS DLA-1446-1 Moderate: Intel-Microcode Data Leak

debian lts
Calendar Grey July 27, 2018
Dist Debian Esm H88
Intel's microcode patch resolves CVE-2018-3639 and CVE-2018-3640, mitigating risks of data leakage vulnerabilities within Debian LTS.
Security researchers identified two software analysis methods that, if used for malicious purposes, have the potential to improperly gather sensitive data from multiple types of co...
Topics%20covered

Topics Covered

security advisory software update Debian data leak microcode

Summary

CVE-2018-3639 – Speculative Store Bypass (SSB) – also known as Variant 4

Systems with microprocessors utilizing speculative execution and
speculative execution of memory reads before the addresses of all
prior memory writes are known may allow unauthorized disclosure of
information to an attacker with local user access via a side-channel
analysis.


CVE-2018-3640 – Rogue System Register Read (RSRE) – also known as
Variant 3a

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.

For Debian 8 "Jessie", these problems have been fixed in version
3.20180703.2~deb8u1.

We recommend that you upgrade your intel-microcode packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Package: intel-microcode
Version: 3.20180703.2~deb8u1
CVE ID: CVE-2018-3639 CVE-2018-3640

Topics%20covered

Topics Covered

security advisory software update Debian data leak microcode

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here