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Race Condition Affecting kernel-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 ID SNYK-AMZN2-KERNELDEBUGINFO-1668586
  • published 27 Sep 2021
  • disclosed 10 Sep 2018
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Introduced: 10 Sep 2018

CVE-2018-14625 Open this link in a new tab
CWE-362 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 kernel-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 kernel-debuginfo package and not the kernel-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.