CVE-2023-53255 firmware: stratix10-svc: Fix a potential resource leak in svc_create_memory_pool()

What is CVE-2023-53255?

CVE-2023-53255 is a medium-severity denial of service vulnerability in Linux kernel, published on 15 Sep 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:

firmware: stratix10-svc: Fix a potential resource leak in svc_create_memory_pool()

svc_create_memory_pool() is only called from stratix10_svc_drv_probe(). Most of resources in the probe are managed, but not this memremap() call.

There is also no memunmap() call in the file.

So switch to devm_memremap() to avoid a resource leak.

Weakness: CWE-401

Which versions are affected by CVE-2023-53255?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-53255?

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-2023-53255 being exploited?

There is no known exploitation of CVE-2023-53255 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-2023-53255, DEBIAN-CVE-2023-53255, GHSA-8954-929f-w427, UBUNTU-CVE-2023-53255.