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CVE-2026-64589

i2c: core: fix NULL-deref on adapter registration failure PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: i2c: core: fix NULL-deref on adapter registration failure If adapter registration ever fails the release callback would trigger a NULL-pointer dereference as the completion struct has not been initialised. Note that before the offending commit this would instead have resulted in a minor memory leak of the adapter name.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected e19f31169f85c712c9fca35bfd28ceb093a9f574 before 2ce0a74bfa3acdfcdb00cf02f181f2754b451f42; affected 3f8c4f5e9a57868fa107016c81165686d23325f2 before 3351c5e77749a0c8a1e252b95420c143ebcf07ac; affected 3f8c4f5e9a57868fa107016c81165686d23325f2 before 034e307428119b67f5f18a35e4f4e7d15a2b9774; affected 3f8c4f5e9a57868fa107016c81165686d23325f2 before 2295d2bb101faa663fbc45fadbb3fec45f107441; affected 6.12.11 before 6.12.96
Linux / Linuxaffected 6.13; unaffected 0 before 6.13; unaffected 6.12.96 through 6.12.*; unaffected 6.18.39 through 6.18.*; unaffected 7.1.4 through 7.1.*; unaffected 7.2 through *

CWE

No CWE identifiers supplied.

References