CVE-2019-17351 Denial of service in n/a

What is CVE-2019-17351?

CVE-2019-17351 is a medium-severity denial of service vulnerability in Linux kernel, published on 8 Oct 2019. 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 drivers/xen/balloon.c in the Linux kernel before 5.2.3, as used in Xen through 4.12.x, allowing guest OS users to cause a denial of service because of unrestricted resource consumption during the mapping of guest memory, aka CID-6ef36ab967c7.

Weakness: CWE-770

Which versions are affected by CVE-2019-17351?

It affects 2 products.

Products include Linux kernel, Xen Xen.

How do I fix CVE-2019-17351?

Upgrade to a fixed version.

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-2019-17351 being exploited?

There is no known exploitation of CVE-2019-17351 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2019-17351, GHSA-p22j-6g62-hrrp, UBUNTU-CVE-2019-17351.