CVE-2026-89982

Description

In the Linux kernel, the following vulnerability has been resolved: i2c: mux: Fix channel node leak on adapter add failure i2c_mux_add_adapter() takes a reference to the Device Tree channel node before registering the new adapter. If adapter registration fails, the error path frees the private data without dropping that reference. Release the channel node before freeing the private data.

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EPSS — Exploit Prediction

0.0021

Probability of exploitation

0.11%

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/0927153f2abf48b6cc3e5f27063a17f7a8d47f38 https://git.kernel.org/stable/c/2b3b06cb709c4bf75a3fe3da3a0ca368ee3b40e5 https://git.kernel.org/stable/c/385c7af4e3b95d0769fd211831674e83b16a2ebf https://git.kernel.org/stable/c/4c9bc46a2a4afb7a11c48d33bdf19febab431015 https://git.kernel.org/stable/c/4f42f70afd2447f3c82ca69d1e03466a75348ba9 https://git.kernel.org/stable/c/694e7e6edf249723ca7d3ef77c2ca1badfc78dc4 https://git.kernel.org/stable/c/b580f062b24c4eef562f08f210c028adb34ef14e https://git.kernel.org/stable/c/dd2c1e6747b17b24ecddd48a7bb6bb964c2793d1

Frequently Asked Questions

What is CVE-2026-89982? +

In the Linux kernel, the following vulnerability has been resolved: i2c: mux: Fix channel node leak on adapter add failure i2c_mux_add_adapter() takes a reference to the Device Tree channel node before registering the new adapter. If adapter registration fails, the error path frees the private data without dropping that reference. Release the channel node before freeing the private data.

How do I check if I'm vulnerable to CVE-2026-89982? +

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.