---
title: "CVE-2026-98911: Linux Kernel - Memory Management Error"
description: "Linux kernel contains a memory management error in dpaa2-switch caused by incorrect freeing of frame descriptors in dpaa2_switch_rx(), letting attackers potentially cause memory corruption or denial of service, exploit requires triggering error path in dpaa2_switch_rx()."
url: https://panop.io/threat-heartbeat/CVE-2026-98911/
---

# CVE-2026-98911 Linux Kernel - Memory Management Error

Linux kernel contains a memory management error in dpaa2-switch caused by incorrect freeing of frame descriptors in dpaa2\_switch\_rx(), letting attackers potentially cause memory corruption or denial of service, exploit requires triggering error path in dpaa2\_switch\_rx().

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.21% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-98911)

## Details

Type

Memory Management Error

Impact

Denial Of Service

CVSS vector

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

Published

23 October 2026

Updated

25 October 2026

## Vendor fix

Update to the latest Linux kernel version containing the fix for dpaa2-switch error path.

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-2026-98911](https://nvd.nist.gov/vuln/detail/CVE-2026-98911)
- [https://git.kernel.org/stable/c/f4ceb8e3d6d5becb4cda7a7098a8638e18c835a1](https://git.kernel.org/stable/c/f4ceb8e3d6d5becb4cda7a7098a8638e18c835a1)
- [https://git.kernel.org/stable/c/fa232b4496cb59503ae5108c756cbe10e59b0bc3](https://git.kernel.org/stable/c/fa232b4496cb59503ae5108c756cbe10e59b0bc3)
- [https://git.kernel.org/stable/c/259ad6093204b999d41e7e6d0ad90ef9a71a44ab](https://git.kernel.org/stable/c/259ad6093204b999d41e7e6d0ad90ef9a71a44ab)
- [https://git.kernel.org/stable/c/74c1c9f5c0c30bbd0c2cf87b6e3507e7ea46c13d](https://git.kernel.org/stable/c/74c1c9f5c0c30bbd0c2cf87b6e3507e7ea46c13d)
- [https://git.kernel.org/stable/c/791068c962469af0090e1a1ee63657fb9eef40db](https://git.kernel.org/stable/c/791068c962469af0090e1a1ee63657fb9eef40db)
- [https://git.kernel.org/stable/c/ee54f8d7e642c44cfcc2dcb390b4c50e145d81b8](https://git.kernel.org/stable/c/ee54f8d7e642c44cfcc2dcb390b4c50e145d81b8)

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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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