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CVE-2026-89982

Unknown

Last modified

CVE-2026-89982 is a vulnerability of currently unknown severity. 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..

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.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= bc45449b1444611d68466ae7f45f235420d79019, < 4f42f70afd2447f3c82ca69d1e03466a75348ba9; >= bc45449b1444611d68466ae7f45f235420d79019, < 4c9bc46a2a4afb7a11c48d33bdf19febab431015; >= bc45449b1444611d68466ae7f45f235420d79019, < dd2c1e6747b17b24ecddd48a7bb6bb964c2793d1; >= bc45449b1444611d68466ae7f45f235420d79019, < 0927153f2abf48b6cc3e5f27063a17f7a8d47f38; >= bc45449b1444611d68466ae7f45f235420d79019, < b580f062b24c4eef562f08f210c028adb34ef14e; >= bc45449b1444611d68466ae7f45f235420d79019, < 2b3b06cb709c4bf75a3fe3da3a0ca368ee3b40e5; >= bc45449b1444611d68466ae7f45f235420d79019, < 694e7e6edf249723ca7d3ef77c2ca1badfc78dc4; >= bc45449b1444611d68466ae7f45f235420d79019, < 385c7af4e3b95d0769fd211831674e83b16a2ebf
LinuxLinux3.5

References

Timeline

Published
Last Modified
Status
Received

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 severe is CVE-2026-89982?
Severity scoring for CVE-2026-89982 is pending analysis.
How do I fix CVE-2026-89982?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST