CVE-2019-15807 Denial of service in n/a

What is CVE-2019-15807?

CVE-2019-15807 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 29 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel before 5.1.13, there is a memory leak in drivers/scsi/libsas/sas_expander.c when SAS expander discovery fails. This will cause a BUG and denial of service.

Weakness: CWE-401

Which versions are affected by CVE-2019-15807?

It affects 3 products.

Products include Debian Debian Linux, Linux kernel, Redhat Enterprise Linux.

How do I fix CVE-2019-15807?

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-2019-15807 being exploited?

There is no known exploitation of CVE-2019-15807 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

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• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• 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 DEBIAN-CVE-2019-15807, GHSA-vwgq-pmmf-6whv, UBUNTU-CVE-2019-15807.