---
title: "CVE-2026-98029: Linux Kernel eth: nfp - Out-of-Bounds Read/Write"
description: "Linux kernel eth: nfp contains a buffer overflow caused by nfp_net_get_fs_loc() dumping more entries than the caller's buffer size in flow steering rules, letting unprivileged users cause out-of-bounds memory access, exploit requires installed flow steering rules by admin."
url: https://panop.io/threat-heartbeat/CVE-2026-98029/
---

# CVE-2026-98029 Linux Kernel eth: nfp - Out-of-Bounds Read/Write

Linux kernel eth: nfp contains a buffer overflow caused by nfp\_net\_get\_fs\_loc() dumping more entries than the caller's buffer size in flow steering rules, letting unprivileged users cause out-of-bounds memory access, exploit requires installed flow steering rules by admin.

CVSS base score 7.0 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.12% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-98029)

## Details

Type

Out-of-Bounds Read/Write

Impact

Denial Of Service, Information Disclosure

CVSS vector

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

Published

25 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix that bounds ntuple rule dump by caller's buffer size.

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-2026-98029](https://nvd.nist.gov/vuln/detail/CVE-2026-98029)
- [https://git.kernel.org/stable/c/82812583b9c69c241da6da4186f14e9df2516488](https://git.kernel.org/stable/c/82812583b9c69c241da6da4186f14e9df2516488)
- [https://git.kernel.org/stable/c/a7e023c63e855761c1426cee8d17c2bca32aa339](https://git.kernel.org/stable/c/a7e023c63e855761c1426cee8d17c2bca32aa339)
- [https://git.kernel.org/stable/c/ecebfdaab72a504c10f4907bd00fc3b705ec3b12](https://git.kernel.org/stable/c/ecebfdaab72a504c10f4907bd00fc3b705ec3b12)
- [https://git.kernel.org/stable/c/f1986bf87b0709c95126fe196cf39e5b8c8453a1](https://git.kernel.org/stable/c/f1986bf87b0709c95126fe196cf39e5b8c8453a1)

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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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