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CVE-2026-89982

i2c: mux: Fix channel node leak on adapter add failure PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected bc45449b1444611d68466ae7f45f235420d79019 before 4f42f70afd2447f3c82ca69d1e03466a75348ba9; affected bc45449b1444611d68466ae7f45f235420d79019 before 4c9bc46a2a4afb7a11c48d33bdf19febab431015; affected bc45449b1444611d68466ae7f45f235420d79019 before dd2c1e6747b17b24ecddd48a7bb6bb964c2793d1; affected bc45449b1444611d68466ae7f45f235420d79019 before 0927153f2abf48b6cc3e5f27063a17f7a8d47f38; affected bc45449b1444611d68466ae7f45f235420d79019 before b580f062b24c4eef562f08f210c028adb34ef14e; affected bc45449b1444611d68466ae7f45f235420d79019 before 2b3b06cb709c4bf75a3fe3da3a0ca368ee3b40e5; affected bc45449b1444611d68466ae7f45f235420d79019 before 694e7e6edf249723ca7d3ef77c2ca1badfc78dc4; affected bc45449b1444611d68466ae7f45f235420d79019 before 385c7af4e3b95d0769fd211831674e83b16a2ebf
Linux / Linuxaffected 3.5; unaffected 0 before 3.5; unaffected 5.10.270 through 5.10.*; unaffected 5.15.221 through 5.15.*; unaffected 6.1.188 through 6.1.*; unaffected 6.6.157 through 6.6.*; unaffected 6.12.110 through 6.12.*; unaffected 6.18.51 through 6.18.*; unaffected 7.2.5 through 7.2.*; unaffected 7.3 through *

CWE

No CWE identifiers supplied.

References