Information Exposure Affecting intel-microcode package, versions <3.20180703.1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.77% (82nd percentile)

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  • Snyk IDSNYK-DEBIAN12-INTELMICROCODE-1549084
  • published22 May 2018
  • disclosed22 May 2018

Introduced: 22 May 2018

CVE-2018-3639  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade Debian:12 intel-microcode to version 3.20180703.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream intel-microcode package and not the intel-microcode package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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, aka Speculative Store Bypass (SSB), Variant 4.

References

CVSS Scores

version 3.1