---
title: "CVE-2026-92485: Linux Kernel - Denial of Service"
description: "Linux kernel contains a vulnerability in bpf_tracing_link_release caused by improper flag handling in BPF trampoline, letting attackers cause kernel warnings and potential instability, exploit requires attaching fexit to tail_call_reachable programs."
url: https://panop.io/threat-heartbeat/CVE-2026-92485/
---

# CVE-2026-92485 Linux Kernel - Denial of Service

Linux kernel contains a vulnerability in bpf\_tracing\_link\_release caused by improper flag handling in BPF trampoline, letting attackers cause kernel warnings and potential instability, exploit requires attaching fexit to tail\_call\_reachable programs.

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-2026-92485)

## Details

Type

Denial of Service

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

17 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-2026-92485](https://nvd.nist.gov/vuln/detail/CVE-2026-92485)
- [https://git.kernel.org/stable/c/61aaa8782bec59ecffd22e030f54ef9351bcabf9](https://git.kernel.org/stable/c/61aaa8782bec59ecffd22e030f54ef9351bcabf9)
- [https://git.kernel.org/stable/c/094f0a895cf97a993d06d5dc4c12e7cb7da845a5](https://git.kernel.org/stable/c/094f0a895cf97a993d06d5dc4c12e7cb7da845a5)
- [https://git.kernel.org/stable/c/48a0209d8da0d90a7b0a0db19d1ff88027b13781](https://git.kernel.org/stable/c/48a0209d8da0d90a7b0a0db19d1ff88027b13781)

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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

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

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