CVE-2026-43457
Published May 8, 2026
Modified May 12, 2026
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.
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EPSS — Exploit Prediction
0.0001
Probability of exploitation
0.02%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Other References
https://git.kernel.org/stable/c/0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb
https://git.kernel.org/stable/c/1b1be322342a6b0085bf6ee52235e5ac9834ec25
https://git.kernel.org/stable/c/1ec54187e1aa40a4cfa2b265e9a311179f24b98d
https://git.kernel.org/stable/c/9f81be2ab9d8e4744871bfb3e868ef413413829f
https://git.kernel.org/stable/c/d7900a43b0a314a645ca0a2adf45928dbc7001f4
https://git.kernel.org/stable/c/e3f5e0f22cfc2371e7471c9fd5b4da78f9df7c69
Frequently Asked Questions
What is CVE-2026-43457? +
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.
How do I check if I'm vulnerable to CVE-2026-43457? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.