CVE-2026-46219: spi: mpc52xx: fix use-after-free on unbind

Published May 28, 2026
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

spi: mpc52xx: fix use-after-free on unbind

The state machine work is scheduled by the interrupt handler and therefore needs to be cancelled after disabling interrupts to avoid a potential use-after-free.

Affected Software

17 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=5.4.287<5.5
Linux Linux kernel>=5.10.231<5.10.258
Linux Linux kernel>=5.15.174<5.15.209
Linux Linux kernel>=6.1.120<6.1.175
Linux Linux kernel>=6.6.66<6.6.140
Linux Linux kernel>=6.12.5<6.12.90
Linux Linux kernel>=6.13.1<6.18.32
Linux Linux kernel>=6.19<7.0.9
Linux Linux kernel=6.13
Linux Linux kernel=6.13-rc2
Linux Linux kernel=6.13-rc3
Linux Linux kernel=6.13-rc4
Linux Linux kernel=6.13-rc5
Linux Linux kernel=6.13-rc6
Linux Linux kernel=6.13-rc7
Microsoft azl3 kernel 6.6.139.1-1<6.6.141.1-1
6.6.141.1-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.6.141.1-1

Event History

May 28, 2026
CVE Published
via MITRE·09:40 AM
Data Sourced
via MITRE·09:40 AM
Description
Data Sourced
via NVD·10:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
May 29, 2026
Data Sourced
via Microsoft·08:01 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-46219?

The severity of CVE-2026-46219 is rated as 35.

2

What type of vulnerability is CVE-2026-46219?

CVE-2026-46219 is classified as a Use After Free vulnerability.

3

How do I fix CVE-2026-46219?

To fix CVE-2026-46219, apply the latest Linux kernel updates that include the patch for this vulnerability.

4

Where is CVE-2026-46219 found?

CVE-2026-46219 is found in the Linux kernel, specifically within the spi: mpc52xx driver.

5

What are the potential risks of CVE-2026-46219?

The potential risks of CVE-2026-46219 include possible system crashes and exploitation due to the use-after-free issue.

Contact

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