---
title: "CVE-2026-98041: Linux Kernel - Logic Flaw in BPF JMP32 Pointer Comparison"
description: "Linux kernel contains a logic flaw in BPF verifier's handling of JMP32 pointer versus zero comparisons, causing incorrect jump prediction, letting attackers potentially bypass verification, exploit requires crafted BPF programs."
url: https://panop.io/threat-heartbeat/CVE-2026-98041/
---

# CVE-2026-98041 Linux Kernel - Logic Flaw in BPF JMP32 Pointer Comparison

Linux kernel contains a logic flaw in BPF verifier's handling of JMP32 pointer versus zero comparisons, causing incorrect jump prediction, letting attackers potentially bypass verification, exploit requires crafted BPF programs.

CVSS base score 7.0 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.14% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-98041)

## Details

Type

Logic Flaw in BPF JMP32 Pointer Comparison

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.

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-2026-98041](https://nvd.nist.gov/vuln/detail/CVE-2026-98041)
- [https://git.kernel.org/stable/c/a4d7f94c1ca914469ced665ec2f98be669aef462](https://git.kernel.org/stable/c/a4d7f94c1ca914469ced665ec2f98be669aef462)
- [https://git.kernel.org/stable/c/d16f0eafcaa62e677a2b5b0dabc1f8d31dfe3d4d](https://git.kernel.org/stable/c/d16f0eafcaa62e677a2b5b0dabc1f8d31dfe3d4d)
- [https://git.kernel.org/stable/c/e2ae33247e8b2dbe9d116d3e61cadf6d548339c6](https://git.kernel.org/stable/c/e2ae33247e8b2dbe9d116d3e61cadf6d548339c6)
- [https://git.kernel.org/stable/c/e51179a4e09846f8fd0f26a05068520de2b301bf](https://git.kernel.org/stable/c/e51179a4e09846f8fd0f26a05068520de2b301bf)

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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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