CVE-2018-7492 Null dereference in n/a

What is CVE-2018-7492?

CVE-2018-7492 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 26 Feb 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A NULL pointer dereference was found in the net/rds/rdma.c __rds_rdma_map() function in the Linux kernel before 4.14.7 allowing local attackers to cause a system panic and a denial-of-service, related to RDS_GET_MR and RDS_GET_MR_FOR_DEST.

Weakness: CWE-476

Which versions are affected by CVE-2018-7492?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel.

How do I fix CVE-2018-7492?

Upgrade to a fixed version.

Is CVE-2018-7492 being exploited?

There is no known exploitation of CVE-2018-7492 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-2018-7492, GHSA-w26q-7wf7-m5ph, UBUNTU-CVE-2018-7492.