CVE-2022-1998 Use after free in Kernel

What is CVE-2022-1998?

CVE-2022-1998 is a high-severity use after free vulnerability in Fedoraproject Fedora, published on 9 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A use after free in the Linux kernel File System notify functionality was found in the way user triggers copy_info_records_to_user() call to fail in copy_event_to_user(). A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

Weakness: CWE-416

Which versions are affected by CVE-2022-1998?

It affects 8 products.

Products include Fedoraproject Fedora, Linux kernel, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware, Netapp H500s Firmware and 2 more.

How do I fix CVE-2022-1998?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2022-1998 being exploited?

There is no known exploitation of CVE-2022-1998 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 AZL-9917, DEBIAN-CVE-2022-1998, GHSA-2789-cv5q-pwgx, UBUNTU-CVE-2022-1998.