Buffer Overflow Affecting kernel-tools package, versions <0:4.9.43-17.38.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELTOOLS-1707590
  • published27 Sept 2021
  • disclosed20 Jul 2017

Introduced: 20 Jul 2017

CVE-2017-11473  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-tools to version 0:4.9.43-17.38.amzn1 or higher.
This issue was patched in ALAS-2017-870.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

Buffer overflow in the mp_override_legacy_irq() function in arch/x86/kernel/acpi/boot.c in the Linux kernel through 3.2 allows local users to gain privileges via a crafted ACPI table.

CVSS Scores

version 3.1