---
title: "CVE-2026-98096: Linux Kernel - Buffer Overflow"
description: "Linux kernel contains a buffer overflow caused by incorrect handling of skb_network_offset in IPv6 Segment Routing Header processing, letting attackers trigger out-of-bounds memory copy during routing and forwarding, exploit requires network packet manipulation."
url: https://panop.io/threat-heartbeat/CVE-2026-98096/
---

# CVE-2026-98096 Linux Kernel - Buffer Overflow

Linux kernel contains a buffer overflow caused by incorrect handling of skb\_network\_offset in IPv6 Segment Routing Header processing, letting attackers trigger out-of-bounds memory copy during routing and forwarding, exploit requires network packet manipulation.

CVSS base score 7.4 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.51% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-98096)

## Details

Type

Buffer Overflow

Impact

Denial Of Service, Remote Code Execution

CVSS vector

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

Published

25 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix for this issue.

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-2026-98096](https://nvd.nist.gov/vuln/detail/CVE-2026-98096)
- [https://git.kernel.org/stable/c/8f44d4160bcdb3136a9145a4b9c7816382976925](https://git.kernel.org/stable/c/8f44d4160bcdb3136a9145a4b9c7816382976925)
- [https://git.kernel.org/stable/c/9cfbe2c381ab6d00a08e7a5b6028865adfb4e1bc](https://git.kernel.org/stable/c/9cfbe2c381ab6d00a08e7a5b6028865adfb4e1bc)
- [https://git.kernel.org/stable/c/af08f62b5a5a446d6134a92d86771d3d12e0e3da](https://git.kernel.org/stable/c/af08f62b5a5a446d6134a92d86771d3d12e0e3da)
- [https://git.kernel.org/stable/c/f463c4786cf27376de7dfc0833a12e924a98f698](https://git.kernel.org/stable/c/f463c4786cf27376de7dfc0833a12e924a98f698)
- [https://git.kernel.org/stable/c/3ad7dca5e03bd64c65983a19734337512fd75491](https://git.kernel.org/stable/c/3ad7dca5e03bd64c65983a19734337512fd75491)
- [https://git.kernel.org/stable/c/975b5b067f525a1b1338c4a3bee1c46545801518](https://git.kernel.org/stable/c/975b5b067f525a1b1338c4a3bee1c46545801518)
- [https://git.kernel.org/stable/c/97b21ef57dfabbff660a4672c9fef7edfb720f47](https://git.kernel.org/stable/c/97b21ef57dfabbff660a4672c9fef7edfb720f47)
- [https://git.kernel.org/stable/c/ce4c8beedc19aceeab0e7bdc6f34394fb158c47c](https://git.kernel.org/stable/c/ce4c8beedc19aceeab0e7bdc6f34394fb158c47c)

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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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