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CVE-2026-23178

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: HID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report() `i2c_hid_xfer` is used to read `recv_len + sizeof(__le16)`…

Published Feb 14, 2026EPSS 0.17%

Overview

CVE-2026-23178 is a high-severity vulnerability. It was published on February 14, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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

HID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report()

`i2c_hid_xfer` is used to read `recv_len + sizeof(__le16)` bytes of data

into `ihid->rawbuf`.

The former can come from the userspace in the hidraw driver and is only

bounded by HID_MAX_BUFFER_SIZE(16384) by default (unless we also set

`max_buffer_size` field of `struct hid_ll_driver` which we do not).

The latter has size determined at runtime by the maximum size of

different report types you could receive on any particular device and

can be a much smaller value.

Fix this by truncating `recv_len` to `ihid->bufsize - sizeof(__le16)`.

The impact is low since access to hidraw devices requires root.

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

Refgit.kernel.org/stable/c/2124279f1f8c32c1646ce98e75a1a39b23b7db76Refgit.kernel.org/stable/c/2497ff38c530b1af0df5130ca9f5ab22c5e92f29Refgit.kernel.org/stable/c/786ec171788bdf9dda38789163f1b1fbb47f2d1eRefgit.kernel.org/stable/c/cff3f619fd1cb40cdd89971df9001f075613d219Refgit.kernel.org/stable/c/f9c9ad89d845f88a1509e9d672f65d234425fde9

How CyberStrike helps

Frequently asked questions

What is CVE-2026-23178?

CVE-2026-23178 is a high-severity vulnerability. It was published on February 14, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-23178?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-23178?

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-2026-23178?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-23178 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.

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