---
title: "CVE-2026-97612: Linux Kernel - Memory Corruption"
description: "Linux kernel contains a memory corruption vulnerability caused by stale inner_protocol and inner_network_header in MPLS push/pop operations, letting attackers trigger out-of-bounds memory access, exploit requires packet manipulation via Open vSwitch."
url: https://panop.io/threat-heartbeat/CVE-2026-97612/
---

# CVE-2026-97612 Linux Kernel - Memory Corruption

Linux kernel contains a memory corruption vulnerability caused by stale inner\_protocol and inner\_network\_header in MPLS push/pop operations, letting attackers trigger out-of-bounds memory access, exploit requires packet manipulation via Open vSwitch.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.16% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-97612)

## Details

Type

Memory Corruption

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

25 September 2026

Updated

15 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix for inner\_protocol clearing in MPLS push/pop operations.

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-2026-97612](https://nvd.nist.gov/vuln/detail/CVE-2026-97612)
- [https://git.kernel.org/stable/c/011e17b5cae19b9f6a150923275e41c278de64f0](https://git.kernel.org/stable/c/011e17b5cae19b9f6a150923275e41c278de64f0)
- [https://git.kernel.org/stable/c/78a86d75a70e1e227711c72865c59b1422d0a5ae](https://git.kernel.org/stable/c/78a86d75a70e1e227711c72865c59b1422d0a5ae)
- [https://git.kernel.org/stable/c/b39120523475d6b436be7f6cb27d48064148a327](https://git.kernel.org/stable/c/b39120523475d6b436be7f6cb27d48064148a327)
- [https://git.kernel.org/stable/c/da8c3a7f5d3137fec4ff60a6248f5f6d66b6a63e](https://git.kernel.org/stable/c/da8c3a7f5d3137fec4ff60a6248f5f6d66b6a63e)
- [https://git.kernel.org/stable/c/0b3425fd0ecd515997956f7bb8a8a576b444ed64](https://git.kernel.org/stable/c/0b3425fd0ecd515997956f7bb8a8a576b444ed64)
- [https://git.kernel.org/stable/c/38db09804b2616aa1e2fcdf97f0c3ae8b9dbdd34](https://git.kernel.org/stable/c/38db09804b2616aa1e2fcdf97f0c3ae8b9dbdd34)
- [https://git.kernel.org/stable/c/55ed97db27bffe29c21fdefd5d25601322c36ff8](https://git.kernel.org/stable/c/55ed97db27bffe29c21fdefd5d25601322c36ff8)
- [https://git.kernel.org/stable/c/833ec2788322306407503b4cfc7745cd1f9d785f](https://git.kernel.org/stable/c/833ec2788322306407503b4cfc7745cd1f9d785f)

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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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