CVE-2023-2985 Use after free in Kernel

What is CVE-2023-2985?

CVE-2023-2985 is a medium-severity use after free vulnerability in Linux kernel, published on 1 Jun 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 hfsplus_put_super in fs/hfsplus/super.c in the Linux Kernel. This flaw could allow a local user to cause a denial of service problem.

Weakness: CWE-416

Which versions are affected by CVE-2023-2985?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-2985?

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-2023-2985 being exploited?

There is no known exploitation of CVE-2023-2985 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 AZL-27062, DEBIAN-CVE-2023-2985, GHSA-jqfw-fwxh-xcrw, OESA-2023-1352, UBUNTU-CVE-2023-2985.