Out-of-bounds Read Affecting kernel package, versions <0:4.9.43-17.38.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.09% (38th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNEL-1707180
  • published27 Sept 2021
  • disclosed8 May 2017

Introduced: 8 May 2017

CVE-2017-8831  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel 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 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.

The saa7164_bus_get function in drivers/media/pci/saa7164/saa7164-bus.c in the Linux kernel through 4.11.5 allows local users to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact by changing a certain sequence-number value, aka a "double fetch" vulnerability.

CVSS Scores

version 3.1