CVE-2026-64237 Input: elan_i2c - validate firmware size before use

What is CVE-2026-64237?

CVE-2026-64237 is a high-severity memory corruption vulnerability in Linux kernel, published on 24 Jul 2026. 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:

Input: elan_i2c - validate firmware size before use

Ensure that the firmware file is large enough to contain the expected number of pages and the signature (which resides at the end of the firmware blob) before accessing them to prevent potential out-of-bounds reads.

Weakness: CWE-125

Which versions are affected by CVE-2026-64237?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-64237?

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-2026-64237 being exploited?

There is no known exploitation of CVE-2026-64237 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-2026-64237, DEBIAN-CVE-2026-64237, GHSA-89gj-r2fq-qc5h, ROOT-OS-UBUNTU-2204-CVE-2026-64237, UBUNTU-CVE-2026-64237.