CVE-2026-43242 soc: ti: k3-socinfo: Fix regmap leak on probe failure

Medium 5.5 Published Updated

A memory leak in the TI K3 SoC info driver can lead to resource exhaustion and denial of service on affected Linux systems.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2026-43242?

CVE-2026-43242 is a medium-severity memory corruption vulnerability in Linux kernel, published on 6 May 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:

soc: ti: k3-socinfo: Fix regmap leak on probe failure

The mmio regmap allocated during probe is never freed.

Switch to using the device managed allocator so that the regmap is released on probe failures (e.g. probe deferral) and on driver unbind.

Weakness: CWE-401

Which versions are affected by CVE-2026-43242?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2026-43242?

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-2026-43242 being exploited?

There is no known exploitation of CVE-2026-43242 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2026-43242, DEBIAN-CVE-2026-43242, GHSA-qfjr-vf3f-5f8g, ROOT-OS-DEBIAN-11-CVE-2026-43242, ROOT-OS-UBUNTU-2204-CVE-2026-43242, ROOT-OS-UBUNTU-2404-CVE-2026-43242 and 1 more.

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