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Information Exposure Affecting kernel package, versions <0:4.14.88-88.73.amzn2

Severity

 Recommended
0.0
medium
0
10

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.06% (28th percentile)

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  • Snyk ID SNYK-AMZN2-KERNEL-1667640
  • published 27 Sep 2021
  • disclosed 26 Nov 2018
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Introduced: 26 Nov 2018

CVE-2018-16862 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 kernel to version 0:4.14.88-88.73.amzn2 or higher.
This issue was patched in ALAS2-2018-1133.

NVD Description

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

A security flaw was found in the Linux kernel in a way that the cleancache subsystem clears an inode after the final file truncation (removal). The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one.