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NULL Pointer Dereference Affecting libvirt-daemon-driver-libxl package, versions <4.0.0-9.16.7

Severity

 Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.23% (62nd percentile)

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  • Snyk IDSNYK-SLES150-LIBVIRTDAEMONDRIVERLIBXL-2755577
  • published14 Apr 2022
  • disclosed12 Apr 2019
Report a new vulnerability Found a mistake?

Introduced: 12 Apr 2019

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

How to fix?

Upgrade SLES:15.0 libvirt-daemon-driver-libxl to version 4.0.0-9.16.7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-driver-libxl package and not the libvirt-daemon-driver-libxl package as distributed by SLES. See How to fix? for SLES:15.0 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.