---
title: "CVE-2026-89888: Linux kernel media i2c ov02a10 - Use After Free"
description: "Linux kernel media i2c ov02a10 contains a use-after-free caused by calling fwnode_property_read_u32() on a freed endpoint handle in ov02a10_check_hwcfg(), letting attackers cause memory corruption, exploit requires kernel access."
url: https://panop.io/threat-heartbeat/CVE-2026-89888/
---

# CVE-2026-89888 Linux kernel media i2c ov02a10 - Use After Free

Linux kernel media i2c ov02a10 contains a use-after-free caused by calling fwnode\_property\_read\_u32() on a freed endpoint handle in ov02a10\_check\_hwcfg(), letting attackers cause memory corruption, exploit requires kernel access.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.17% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89888)

## Details

Type

Use After Free

Impact

Denial Of Service

CVSS vector

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

Published

16 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the 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-2026-89888](https://nvd.nist.gov/vuln/detail/CVE-2026-89888)
- [https://git.kernel.org/stable/c/213b2489130357c8d3e8d4fb2bdab88791ce3185](https://git.kernel.org/stable/c/213b2489130357c8d3e8d4fb2bdab88791ce3185)
- [https://git.kernel.org/stable/c/4c2988bf1ad2753240a38db10ce23e87ec542f8f](https://git.kernel.org/stable/c/4c2988bf1ad2753240a38db10ce23e87ec542f8f)
- [https://git.kernel.org/stable/c/6e13784452785cd8402b228bea53bc6a027ade84](https://git.kernel.org/stable/c/6e13784452785cd8402b228bea53bc6a027ade84)
- [https://git.kernel.org/stable/c/8ddb3b69f67b0632ff3830da18de3e8dcaf5884b](https://git.kernel.org/stable/c/8ddb3b69f67b0632ff3830da18de3e8dcaf5884b)
- [https://git.kernel.org/stable/c/90f9b421fc6d4f2edab7521efdb1e58571468d33](https://git.kernel.org/stable/c/90f9b421fc6d4f2edab7521efdb1e58571468d33)
- [https://git.kernel.org/stable/c/94971ba0592ca77ec99b292226a4b398763315b8](https://git.kernel.org/stable/c/94971ba0592ca77ec99b292226a4b398763315b8)
- [https://git.kernel.org/stable/c/9de48ba68f56de9fe20ebd3f9728d22af25f9a91](https://git.kernel.org/stable/c/9de48ba68f56de9fe20ebd3f9728d22af25f9a91)

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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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