Resource Exhaustion Affecting kernel-tools-devel package, versions <0:4.14.334-252.552.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-AMZN2-KERNELTOOLSDEVEL-6184403
  • published23 Jan 2024
  • disclosed5 Jul 2024

Introduced: 23 Jan 2024

CVE-2023-52340  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 kernel-tools-devel to version 0:4.14.334-252.552.amzn2 or higher.
This issue was patched in ALAS2-2024-2391.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-devel package and not the kernel-tools-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

The IPv6 implementation in the Linux kernel before 6.3 has a net/ipv6/route.c max_size threshold that can be consumed easily, e.g., leading to a denial of service (network is unreachable errors) when IPv6 packets are sent in a loop via a raw socket.

CVSS Scores

version 3.1