CVE-2018-15469 Denial of service in n/a

What is CVE-2018-15469?

CVE-2018-15469 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 17 Aug 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in Xen through 4.11.x. ARM never properly implemented grant table v2, either in the hypervisor or in Linux. Unfortunately, an ARM guest can still request v2 grant tables; they will simply not be properly set up, resulting in subsequent grant-related hypercalls hitting BUG() checks. An unprivileged guest can cause a BUG() check in the hypervisor, resulting in a denial-of-service (crash).

Weakness: CWE-400

Which versions are affected by CVE-2018-15469?

It affects 2 products.

Products include Debian Debian Linux, Xen Xen.

How do I fix CVE-2018-15469?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-15469 being exploited?

There is no known exploitation of CVE-2018-15469 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

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

Also known as ALPINE-CVE-2018-15469, DEBIAN-CVE-2018-15469, GHSA-44v3-w2jc-h8pm, UBUNTU-CVE-2018-15469.