CVE-2023-52507 nfc: nci: assert requested protocol is valid

What is CVE-2023-52507?

CVE-2023-52507 is a high-severity vulnerability in Linux kernel, published on 2 Mar 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:

nfc: nci: assert requested protocol is valid

The protocol is used in a bit mask to determine if the protocol is supported. Assert the provided protocol is less than the maximum defined so it doesn't potentially perform a shift-out-of-bounds and provide a clearer error for undefined protocols vs unsupported ones.

Weakness: CWE-125

Which versions are affected by CVE-2023-52507?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-52507?

Apply the vendor's patch.

Is CVE-2023-52507 being exploited?

There is no known exploitation of CVE-2023-52507 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-2023-52507, DEBIAN-CVE-2023-52507, GHSA-h7jr-j6p8-85m6, UBUNTU-CVE-2023-52507.