CVE-2026-64165

/// Technical description

In the Linux kernel, the following vulnerability has been resolved:

ARM: integrator: Fix early initialization

Starting with commit bdb249fce9ad4 ("ARM: integrator: read counter using

syscon/regmap"), intcp_init_early calls syscon_regmap_lookup_by_compatible

which in turn calls of_syscon_register. This function allocates memory.

Since the memory management code has not been initialized at that time,

the call always fails. It either returns -ENOMEM or crashes as follows.

Unable to handle kernel NULL pointer dereference at virtual address 0000000c when read

[0000000c] *pgd=00000000

Internal error: Oops: 5 [#1] ARM

Modules linked in:

CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.15.0-rc5-00026-g5fcc9bf84ee5 #1 PREEMPT

Hardware name: ARM Integrator/CP (Device Tree)

PC is at __kmalloc_cache_noprof+0xec/0x39c

LR is at __kmalloc_cache_noprof+0x34/0x39c

...

Call trace:

__kmalloc_cache_noprof from of_syscon_register+0x7c/0x310

of_syscon_register from device_node_get_regmap+0xa4/0xb0

dev

/// Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

/// References