REDHAT-BUG-2414465: Medium severity Linux Foundation Linux Kernel vulnerability

Published Nov 12, 2025
·
Updated

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

mptcp: Use skdstget() and dstdevrcu() in mptcpactiveenable().

mptcpactiveenable() is called from subflowfinishconnect(), which is icsk->icskafops->skrxdstset() and it's not always under RCU.

Using skdstget(sk)->dev could trigger UAF.

Let's use skdstget() and dstdevrcu().

Affected Software

1 affected component
Linux Foundation Linux Kernel

Event History

Nov 12, 2025
Data Sourced
via Red Hat·11:01 AM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2414465?

REDHAT-BUG-2414465 has been classified with a severity level that indicates a significant security risk for affected systems.

2

How do I fix REDHAT-BUG-2414465?

To resolve REDHAT-BUG-2414465, update your Linux Kernel to the latest patched version that addresses this vulnerability.

3

Which systems are affected by REDHAT-BUG-2414465?

REDHAT-BUG-2414465 affects systems running specific versions of the Linux Kernel.

4

Is there a workaround for REDHAT-BUG-2414465?

There are no known effective workarounds for REDHAT-BUG-2414465; the recommended action is to apply the necessary updates.

5

What type of vulnerability is REDHAT-BUG-2414465?

REDHAT-BUG-2414465 is a vulnerability associated with the improper handling of active connections in the mptcp component of the Linux Kernel.

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