NULL Pointer Dereference Affecting libvirt-libs package, versions <0:4.5.0-36.amzn2.3.1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.25% (17th percentile)

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  • Snyk IDSNYK-AMZN2-LIBVIRTLIBS-6663618
  • published19 Apr 2024
  • disclosed18 Mar 2024

Introduced: 18 Mar 2024

CVE-2024-2496  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 libvirt-libs to version 0:4.5.0-36.amzn2.3.1 or higher.
This issue was patched in ALAS2-2024-2513.

NVD Description

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

A NULL pointer dereference flaw was found in the udevConnectListAllInterfaces() function in libvirt. This issue can occur when detaching a host interface while at the same time collecting the list of interfaces via virConnectListAllInterfaces API. This flaw could be used to perform a denial of service attack by causing the libvirt daemon to crash.

CVSS Base Scores

version 3.1