Out-of-bounds Read Affecting kernel package, versions <0:4.14.171-136.231.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-AMZN2-KERNEL-1678423
  • published27 Sept 2021
  • disclosed4 Sept 2019

Introduced: 4 Sep 2019

CVE-2019-15918  (opens in a new tab)
CWE-125  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Amazon-Linux:2 kernel to version 0:4.14.171-136.231.amzn2 or higher.
This issue was patched in ALAS2-2020-1399.

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.

An issue was discovered in the Linux kernel before 5.0.10. SMB2_negotiate in fs/cifs/smb2pdu.c has an out-of-bounds read because data structures are incompletely updated after a change from smb30 to smb21.

CVSS Scores

version 3.1