CVE-2019-19046 Denial of service in n/a

What is CVE-2019-19046?

CVE-2019-19046 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 18 Nov 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A memory leak in the __ipmi_bmc_register() function in drivers/char/ipmi/ipmi_msghandler.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering ida_simple_get() failure, aka CID-4aa7afb0ee20. NOTE: third parties dispute the relevance of this because an attacker cannot realistically control this failure at probe time

Weakness: CWE-401

Which versions are affected by CVE-2019-19046?

It affects 3 products.

Products include Fedoraproject Fedora, Linux kernel, Opensuse Leap.

How do I fix CVE-2019-19046?

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-2019-19046 being exploited?

There is no known exploitation of CVE-2019-19046 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2019-19046, GHSA-j58x-5m9c-f2g5, UBUNTU-CVE-2019-19046.