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Incorrect Calculation Affecting kernel-debuginfo package, versions <0:4.9.43-17.39.amzn1

Severity

 Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELDEBUGINFO-1708649
  • published27 Sept 2021
  • disclosed24 Aug 2017
Report a new vulnerability Found a mistake?

Introduced: 24 Aug 2017

CVE-2017-12134  (opens in a new tab)
CWE-682  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-debuginfo to version 0:4.9.43-17.39.amzn1 or higher.
This issue was patched in ALAS-2017-897.

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:2018.03 relevant fixed versions and status.

The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.