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NULL Pointer Dereference Affecting libvirt-daemon-driver-storage-iscsi package, versions <0:4.5.0-23.el7

Severity

 Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.22% (61st percentile)

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  • Snyk IDSNYK-ORACLE7-LIBVIRTDAEMONDRIVERSTORAGEISCSI-2536291
  • published10 Apr 2022
  • disclosed27 Mar 2019
Report a new vulnerability Found a mistake?

Introduced: 27 Mar 2019

CVE-2019-3840  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:7 libvirt-daemon-driver-storage-iscsi to version 0:4.5.0-23.el7 or higher.
This issue was patched in ELSA-2019-2294.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-driver-storage-iscsi package and not the libvirt-daemon-driver-storage-iscsi package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service.