Information Exposure Affecting kernel-tools-debuginfo package, versions <0:4.4.10-22.54.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELTOOLSDEBUGINFO-1697504
  • published27 Sept 2021
  • disclosed23 May 2016

Introduced: 23 May 2016

CVE-2016-4486  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-tools-debuginfo to version 0:4.4.10-22.54.amzn1 or higher.
This issue was patched in ALAS-2016-703.

NVD Description

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

The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.

References

CVSS Scores

version 3.1