Race Condition Affecting xen package, versions [3.2.0,]


Severity

Recommended
0.0
high
0
10

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

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-UNMANAGED-XEN-2383768
  • published26 Jan 2022
  • disclosed22 Oct 2020
  • creditUnknown

Introduced: 22 Oct 2020

CVE-2020-27672  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

There is no fixed version for xen.

Overview

Affected versions of this package are vulnerable to Race Condition. An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a host OS denial of service, achieve data corruption, or possibly gain privileges by exploiting a race condition that leads to a use-after-free involving 2MiB and 1GiB superpages.

References

CVSS Scores

version 3.1