libnss-libvirt: A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface informati...
CVE-2019-3840 is fixed in 12 products on 1 platform, first by libnss-libvirt 4.0.0-1ubuntu8.8, released February 26, 2019. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libnss-libvirt · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libnss-libvirt 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
| libvirt-bin · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libvirt-bin 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
| libvirt-clients · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libvirt-clients 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
| libvirt-daemon · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libvirt-daemon 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
| libvirt-daemon-driver-storage-gluster · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libvirt-daemon-driver-storage-gluster 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
| libvirt-daemon-driver-storage-rbd · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libvirt-daemon-driver-storage-rbd 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
| libvirt-daemon-driver-storage-sheepdog · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libvirt-daemon-driver-storage-sheepdog 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
| libvirt-daemon-driver-storage-zfs · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libvirt-daemon-driver-storage-zfs 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
| libvirt-daemon-system · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libvirt-daemon-system 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
| libvirt-sanlock · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libvirt-sanlock 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
| libvirt-wireshark · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libvirt-wireshark 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
| libvirt0 · Ubuntu 18.04.6 LTS (bionic) | 4.0.0-1ubuntu8.8 | libvirt0 4.0.0-1ubuntu8.8 | Feb 26, 2019 |
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