CVE-2023-53069 octeontx2-vf: Add missing free for alloc_percpu

What is CVE-2023-53069?

CVE-2023-53069 is a medium-severity denial of service vulnerability in Linux kernel, published on 2 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

octeontx2-vf: Add missing free for alloc_percpu

Add the free_percpu for the allocated "vf->hw.lmt_info" in order to avoid memory leak, same as the "pf->hw.lmt_info" in `drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c`.

Weakness: CWE-401

Which versions are affected by CVE-2023-53069?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-53069?

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-2023-53069 being exploited?

There is no known exploitation of CVE-2023-53069 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 BELL-CVE-2023-53069, DEBIAN-CVE-2023-53069, GHSA-cr8f-m6rj-f9qj, UBUNTU-CVE-2023-53069.