CVE-2026-43457
Received Received - Intake
Memory Leak in Linux Kernel MCTP I2C Driver

Publication date: 2026-05-08

Last updated on: 2026-05-08

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: mctp: i2c: fix skb memory leak in receive path When 'midev->allow_rx' is false, the newly allocated skb isn't consumed by netif_rx(), it needs to free the skb directly.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-05-08
Last Modified
2026-05-08
Generated
2026-05-09
AI Q&A
2026-05-08
EPSS Evaluated
N/A
NVD
CVE-2026-43457
EUVD
EUVD-2026-28763
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is related to the Linux kernel's mctp i2c component. Specifically, when the 'midev->allow_rx' flag is false, a newly allocated socket buffer (skb) is not properly handled by the network receive function (netif_rx()). Instead of being consumed, the skb needs to be freed directly to avoid a memory leak.


How can this vulnerability impact me? :

The impact of this vulnerability is a memory leak in the Linux kernel's network receive path for the mctp i2c component. Over time, this could lead to increased memory usage and potentially degrade system performance or stability if the leaked memory accumulates.


Ask Our AI Assistant
Need more information? Ask your question to get an AI reply (Powered by our expertise)
0/70
EPSS Chart