---
title: "CVE-2026-90145: Linux Kernel hinic3 - Out-of-Bounds Read & Data Corruption"
description: "Linux kernel hinic3 contains an out-of-bounds read and packet corruption vulnerability caused by stale skb fragment count and ignored skb_checksum_help() errors in hinic3_send_one_skb(), letting attackers cause IOMMU faults or transmit corrupted packets, exploit requires crafted tunnel packets."
url: https://panop.io/threat-heartbeat/CVE-2026-90145/
---

# CVE-2026-90145 Linux Kernel hinic3 - Out-of-Bounds Read & Data Corruption

Linux kernel hinic3 contains an out-of-bounds read and packet corruption vulnerability caused by stale skb fragment count and ignored skb\_checksum\_help() errors in hinic3\_send\_one\_skb(), letting attackers cause IOMMU faults or transmit corrupted packets, exploit requires crafted tunnel packets.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.16% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-90145)

## Details

Type

Out-of-Bounds Read

Impact

Denial Of Service, Data Tampering

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Published

17 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the hinic3 fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-90145](https://nvd.nist.gov/vuln/detail/CVE-2026-90145)
- [https://git.kernel.org/stable/c/96c3959770386b2913c62005f0d0c3151e0c01c3](https://git.kernel.org/stable/c/96c3959770386b2913c62005f0d0c3151e0c01c3)
- [https://git.kernel.org/stable/c/d0c2bed6927cbfa2cb51f240b4812bf6916bce0e](https://git.kernel.org/stable/c/d0c2bed6927cbfa2cb51f240b4812bf6916bce0e)
- [https://git.kernel.org/stable/c/e794cdc5c369c1b06359e2fe03a8d9270f56bead](https://git.kernel.org/stable/c/e794cdc5c369c1b06359e2fe03a8d9270f56bead)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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