CVE-2017-2635 Null dereference in libvirt

What is CVE-2017-2635?

CVE-2017-2635 is a high-severity vulnerability in Redhat Libvirt, published on 22 Aug 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A NULL pointer deference flaw was found in the way libvirt from 2.5.0 to 3.0.0 handled empty drives. A remote authenticated attacker could use this flaw to crash libvirtd daemon resulting in denial of service.

Weakness: CWE-476

Which versions are affected by CVE-2017-2635?

It affects 1 product.

Products include Redhat Libvirt.

How do I fix CVE-2017-2635?

Upgrade to a fixed version.

Is CVE-2017-2635 being exploited?

There is no known exploitation of CVE-2017-2635 in the wild and no public exploit code.

Other vulnerabilities in Redhat Libvirt

• CVE-2013-4401 Missing authorization in n/a High 8.5
• CVE-2013-4400 Privilege escalation in n/a High 7.2
• CVE-2013-4291 Privilege escalation in n/a Medium 6.9
• CVE-2011-1146 Missing authorization in n/a Medium 6.9
• CVE-2013-6458 Race condition in n/a Medium 6.8

All Redhat Libvirt vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-2635, GHSA-6wgv-m454-22mq.