CVE-2023-52525 wifi: mwifiex: Fix oob check condition in mwifiex_process_rx_packet

What is CVE-2023-52525?

CVE-2023-52525 is a high-severity memory corruption 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:

wifi: mwifiex: Fix oob check condition in mwifiex_process_rx_packet

Only skip the code path trying to access the rfc1042 headers when the buffer is too small, so the driver can still process packets without rfc1042 headers.

Weakness: CWE-125

Which versions are affected by CVE-2023-52525?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-52525?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-52525 being exploited?

There is no known exploitation of CVE-2023-52525 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-2023-52525, DEBIAN-CVE-2023-52525, GHSA-xqf9-qrgq-fxfv, UBUNTU-CVE-2023-52525.