CVE-2024-53202 firmware_loader: Fix possible resource leak in fw_log_firmware_info()

What is CVE-2024-53202?

CVE-2024-53202 is a medium-severity denial of service vulnerability in Linux kernel, published on 27 Dec 2024. 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:

firmware_loader: Fix possible resource leak in fw_log_firmware_info()

The alg instance should be released under the exception path, otherwise there may be resource leak here.

To mitigate this, free the alg instance with crypto_free_shash when kmalloc fails.

Which versions are affected by CVE-2024-53202?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-53202?

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-2024-53202 being exploited?

There is no known exploitation of CVE-2024-53202 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-55506, BELL-CVE-2024-53202, DEBIAN-CVE-2024-53202, GHSA-2585-gp7f-g466, UBUNTU-CVE-2024-53202.