CVE-2026-43230
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Kernel Reconnect Pending Bit Issue in Linux

Vulnerability report for CVE-2026-43230, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-05-06

Last updated on: 2026-05-08

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: net/rds: Clear reconnect pending bit When canceling the reconnect worker, care must be taken to reset the reconnect-pending bit. If the reconnect worker has not yet been scheduled before it is canceled, the reconnect-pending bit will stay on forever.

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Meta Information

Published
2026-05-06
Last Modified
2026-05-08
Generated
2026-07-06
AI Q&A
2026-05-06
EPSS Evaluated
2026-07-05
NVD
EUVD

Affected Vendors & Products

Showing 7 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.2 (inc) to 6.6.128 (exc)
linux linux_kernel From 6.7 (inc) to 6.12.75 (exc)
linux linux_kernel From 6.13 (inc) to 6.18.16 (exc)
linux linux_kernel From 6.19 (inc) to 6.19.6 (exc)
linux linux_kernel From 5.11 (inc) to 5.15.202 (exc)
linux linux_kernel From 5.16 (inc) to 6.1.165 (exc)
linux linux_kernel From 2.6.30 (inc) to 5.10.252 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability exists in the Linux kernel's RDS (Reliable Datagram Sockets) networking code. Specifically, when canceling the reconnect worker, the reconnect-pending bit must be reset. If the reconnect worker is canceled before it is scheduled, the reconnect-pending bit remains set indefinitely, which is unintended behavior.

Impact Analysis

If the reconnect-pending bit remains set forever due to this issue, it could cause the system to incorrectly believe that a reconnect operation is still pending. This may lead to resource management issues or unexpected behavior in network communication using RDS, potentially affecting system stability or network reliability.

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