Memory Leak Affecting kernel-tools package, versions <0:4.14.309-159.529.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNELTOOLS-6184596
  • published23 Jan 2024
  • disclosed2 Jan 2024

Introduced: 2 Jan 2024

CVE-2023-7192  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel-tools to version 0:4.14.309-159.529.amzn1 or higher.
This issue was patched in ALAS-2023-1701.

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.

A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.

CVSS Scores

version 3.1