CVE-2018-19407 Null dereference in n/a

What is CVE-2018-19407?

CVE-2018-19407 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 21 Nov 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized.

Weakness: CWE-476

Which versions are affected by CVE-2018-19407?

It affects 2 products.

Products include Canonical Ubuntu Linux, Linux kernel.

How do I fix CVE-2018-19407?

Apply the vendor's patch.

Is CVE-2018-19407 being exploited?

There is no known exploitation of CVE-2018-19407 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2018-19407, GHSA-gpgg-jpcr-93m3, UBUNTU-CVE-2018-19407.