CVE-2022-0396 DoS from specifically crafted TCP packets

What is CVE-2022-0396?

CVE-2022-0396 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 23 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

BIND 9.16.11 -> 9.16.26, 9.17.0 -> 9.18.0 and versions 9.16.11-S1 -> 9.16.26-S1 of the BIND Supported Preview Edition. Specifically crafted TCP streams can cause connections to BIND to remain in CLOSE_WAIT status for an indefinite period of time, even after the client has terminated the connection.

Weakness: CWE-404

Which versions are affected by CVE-2022-0396?

It affects 11 products.

Products include Fedoraproject Fedora, Isc Bind, Netapp H300e Firmware, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware and 5 more.

How do I fix CVE-2022-0396?

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-2022-0396 being exploited?

There is no known exploitation of CVE-2022-0396 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 ALPINE-CVE-2022-0396, AZL-9119, DEBIAN-CVE-2022-0396, GHSA-wqqg-j8m9-9rcc, UBUNTU-CVE-2022-0396.