CVE-2023-1611 Use after free in Kernel

What is CVE-2023-1611?

CVE-2023-1611 is a medium-severity use after free vulnerability in Fedoraproject Fedora, published on 3 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A use-after-free flaw was found in btrfs_search_slot in fs/btrfs/ctree.c in btrfs in the Linux Kernel.This flaw allows an attacker to crash the system and possibly cause a kernel information lea

Weakness: CWE-416

Which versions are affected by CVE-2023-1611?

It affects 2 products.

Products include Fedoraproject Fedora, Linux kernel.

How do I fix CVE-2023-1611?

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-2023-1611 being exploited?

There is no known exploitation of CVE-2023-1611 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-2023-1611, GHSA-fm53-c89v-pw28, UBUNTU-CVE-2023-1611.