CVE-2019-19081 Denial of service in n/a

What is CVE-2019-19081?

CVE-2019-19081 is a medium-severity denial of service vulnerability in Linux kernel, published on 18 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A memory leak in the nfp_flower_spawn_vnic_reprs() function in drivers/net/ethernet/netronome/nfp/flower/main.c in the Linux kernel before 5.3.4 allows attackers to cause a denial of service (memory consumption), aka CID-8ce39eb5a67a.

Weakness: CWE-401

Which versions are affected by CVE-2019-19081?

It affects 3 products.

Products include Linux kernel, Opensuse Leap, Redhat Enterprise Linux.

How do I fix CVE-2019-19081?

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-2019-19081 being exploited?

There is no known exploitation of CVE-2019-19081 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-2019-19081, GHSA-22mj-xmh9-hw2p, UBUNTU-CVE-2019-19081.