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Race Condition Affecting python-perf-debuginfo package, versions <0:4.14.88-88.76.amzn2

Severity

 Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHONPERFDEBUGINFO-1668627
  • published27 Sept 2021
  • disclosed10 Sept 2018
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Introduced: 10 Sep 2018

CVE-2018-14625  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python-perf-debuginfo to version 0:4.14.88-88.76.amzn2 or higher.
This issue was patched in ALAS2-2019-1145.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-perf-debuginfo package and not the python-perf-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A flaw was found in the Linux Kernel where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly intercept or corrupt AF_VSOCK messages destined to other clients.