CVE-2025-38087: net/sched: fix use-after-free in taprio_dev_notifier

Published Jun 30, 2025
·
Updated

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

net/sched: fix use-after-free in tapriodevnotifier

Since taprio’s tapriodevnotifier() isn’t protected by an RCU read-side critical section, a race with advancesched() can lead to a use-after-free.

Adding rcureadlock() inside tapriodevnotifier() prevents this.

Affected Software

6 affected components
Linux Kernel
Linux Linux kernel>=6.3<6.6.95
Linux Linux kernel>=6.7<6.12.35
Linux Linux kernel>=6.13<6.15.4
Linux Linux kernel=6.16-rc1
Linux Linux kernel=6.16-rc2

Event History

Jun 30, 2025
CVE Published
via MITRE·07:29 AM
Data Sourced
via MITRE·07:29 AM
DescriptionSeverity
Data Sourced
via Red Hat·08:01 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·08:15 AM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-38087?

CVE-2025-38087 has been classified with a high severity due to a use-after-free vulnerability in the Linux kernel.

2

How do I fix CVE-2025-38087?

To fix CVE-2025-38087, update the Linux kernel to the latest stable version that includes the relevant patches for this vulnerability.

3

What systems are affected by CVE-2025-38087?

CVE-2025-38087 affects various versions of the Linux kernel where the taprio_dev_notifier function is implemented.

4

What type of vulnerability is CVE-2025-38087?

CVE-2025-38087 is a use-after-free vulnerability that occurs due to improper handling of memory in the Linux kernel.

5

What is the potential impact of CVE-2025-38087?

The potential impact of CVE-2025-38087 includes system crashes and unauthorized access to system resources due to memory corruption.

Contact

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