Access of Uninitialized Pointer Affecting kernel package, versions <0:4.14.248-129.473.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNEL-1727856
  • published5 Oct 2021
  • disclosed8 Aug 2021

Introduced: 8 Aug 2021

CVE-2021-38205  (opens in a new tab)
CWE-824  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel to version 0:4.14.248-129.473.amzn1 or higher.
This issue was patched in ALAS-2021-1539.

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:2018.03 relevant fixed versions and status.

drivers/net/ethernet/xilinx/xilinx_emaclite.c in the Linux kernel before 5.13.3 makes it easier for attackers to defeat an ASLR protection mechanism because it prints a kernel pointer (i.e., the real IOMEM pointer).

CVSS Scores

version 3.1