---
title: "CVE-2026-97573: Linux Kernel - Denial of Service"
description: "Linux kernel contains a buffer allocation failure in bnxt_rx_ring_reset() caused by unhandled allocation failure in bnxt_alloc_one_rx_ring(), letting attackers cause device malfunction or denial of service, exploit requires triggering buffer allocation failure."
url: https://panop.io/threat-heartbeat/CVE-2026-97573/
---

# CVE-2026-97573 Linux Kernel - Denial of Service

Linux kernel contains a buffer allocation failure in bnxt\_rx\_ring\_reset() caused by unhandled allocation failure in bnxt\_alloc\_one\_rx\_ring(), letting attackers cause device malfunction or denial of service, exploit requires triggering buffer allocation failure.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.60% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-97573)

## Details

Type

Denial of Service

Impact

Denial Of Service

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/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.

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-2026-97573](https://nvd.nist.gov/vuln/detail/CVE-2026-97573)
- [https://git.kernel.org/stable/c/af9a2bdaba0b4ceb0fc5e5122ef3fc6b7e5a366a](https://git.kernel.org/stable/c/af9a2bdaba0b4ceb0fc5e5122ef3fc6b7e5a366a)
- [https://git.kernel.org/stable/c/cfec9e7f15a56cb0104bac13d01e5d11e1ba84fb](https://git.kernel.org/stable/c/cfec9e7f15a56cb0104bac13d01e5d11e1ba84fb)
- [https://git.kernel.org/stable/c/1a3670b6a6b5679fe56c5890157b344f091e64f8](https://git.kernel.org/stable/c/1a3670b6a6b5679fe56c5890157b344f091e64f8)
- [https://git.kernel.org/stable/c/4a17c73c83798c2fa9c7920ad5a98803adce3e01](https://git.kernel.org/stable/c/4a17c73c83798c2fa9c7920ad5a98803adce3e01)
- [https://git.kernel.org/stable/c/8b2fd5c0aeda935294159206af9d6179282d425a](https://git.kernel.org/stable/c/8b2fd5c0aeda935294159206af9d6179282d425a)
- [https://git.kernel.org/stable/c/961e2a17c5e3559b3f8654d2daabdd25a42e770a](https://git.kernel.org/stable/c/961e2a17c5e3559b3f8654d2daabdd25a42e770a)
- [https://git.kernel.org/stable/c/40b4a7bb6b0b872b45f017dbf211268de098b75c](https://git.kernel.org/stable/c/40b4a7bb6b0b872b45f017dbf211268de098b75c)
- [https://git.kernel.org/stable/c/52fc97cbc3ba118aad84e7c001bf02ebe8496f70](https://git.kernel.org/stable/c/52fc97cbc3ba118aad84e7c001bf02ebe8496f70)

[← All CVEs](https://panop.io/threat-heartbeat/)

## 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

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)