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CVE-2026-23055

In the Linux kernel, the following vulnerability has been resolved: i2c: riic: Move suspend handling to NOIRQ phase Commit 53326135d0e0 ("i2c: riic: Add suspend/resume support") added suspend sup…

Published Feb 4, 2026EPSS 0.19%

Overview

CVE-2026-23055 is a known-severity vulnerability. It was published on February 4, 2026.

Technical description

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

i2c: riic: Move suspend handling to NOIRQ phase

Commit 53326135d0e0 ("i2c: riic: Add suspend/resume support") added

suspend support for the Renesas I2C driver and following this change

on RZ/G3E the following WARNING is seen on entering suspend ...

[ 134.275704] Freezing remaining freezable tasks completed (elapsed 0.001 seconds)

[ 134.285536] ------------[ cut here ]------------

[ 134.290298] i2c i2c-2: Transfer while suspended

[ 134.295174] WARNING: drivers/i2c/i2c-core.h:56 at __i2c_smbus_xfer+0x1e4/0x214, CPU#0: systemd-sleep/388

[ 134.365507] Tainted: [W]=WARN

[ 134.368485] Hardware name: Renesas SMARC EVK version 2 based on r9a09g047e57 (DT)

[ 134.375961] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)

[ 134.382935] pc : __i2c_smbus_xfer+0x1e4/0x214

[ 134.387329] lr : __i2c_smbus_xfer+0x1e4/0x214

[ 134.391717] sp : ffff800083f23860

[ 134.395040] x29: ffff800083f23860 x28: 00000000000

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.

Frequently asked questions

What is CVE-2026-23055?

CVE-2026-23055 is a known-severity vulnerability. It was published on February 4, 2026.

How severe is CVE-2026-23055?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-23055?

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.

How can CyberStrike help with CVE-2026-23055?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-23055 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.