CVE-2019-17343 Privilege escalation in n/a

What is CVE-2019-17343?

CVE-2019-17343 is a medium-severity vulnerability in Debian Debian Linux, 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 Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging incorrect use of the HVM physmap concept for PV domains.

Weakness: CWE-667

Which versions are affected by CVE-2019-17343?

It affects 2 products.

Products include Debian Debian Linux, Xen Xen.

How do I fix CVE-2019-17343?

Apply the vendor's patch.

Is CVE-2019-17343 being exploited?

There is no known exploitation of CVE-2019-17343 in the wild and no public exploit code.

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• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

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

Also known as ALPINE-CVE-2019-17343, DEBIAN-CVE-2019-17343, GHSA-4q76-cfmr-jqcp, UBUNTU-CVE-2019-17343.