Information Exposure Affecting torvalds/linux package, versions [,5.8.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3006254
  • published26 Jan 2022
  • disclosed15 Sept 2020
  • creditUnknown

Introduced: 15 Sep 2020

CVE-2020-10766  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.8.0 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. A logic bug flaw was found in Linux kernel before 5.8-rc1 in the implementation of SSBD. A bug in the logic handling allows an attacker with a local account to disable SSBD protection during a context switch when additional speculative execution mitigations are in place. This issue was introduced when the per task/process conditional STIPB switching was added on top of the existing SSBD switching. The highest threat from this vulnerability is to confidentiality.

References

CVSS Base Scores

version 3.1