CVE-2026-64589

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

N/A

Published: August 6, 2026 at 07:13 AM UTC

Updated: August 17, 2026 at 05:18 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

N/A

Exploit prediction

EPSS 0.2%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

6.12.11 ≤ v < 6.12.966.13 ≤ v < 6.18.396.13 ≤ v < 7.1.46.13 ≤ v < 7.23f8c4f5e9a57868fa107016c81165686d23325f26.12.11 6.13e19f31169f85c712c9fca35bfd28ceb093a9f574

Vendor states this is fixed in 034e307428119b67f5f18a35e4f4e7d15a2b9774 (fixed)

Vendor states this is fixed in 2295d2bb101faa663fbc45fadbb3fec45f107441 (fixed)

Vendor states this is fixed in 2ce0a74bfa3acdfcdb00cf02f181f2754b451f42 (fixed)

Vendor states this is fixed in 3351c5e77749a0c8a1e252b95420c143ebcf07ac (fixed)

Vendor states this is fixed in 6.12.96 (unaffected)

Vendor states this is fixed in 6.13 (unaffected)

Vendor states this is fixed in 6.18.39 (unaffected)

Vendor states this is fixed in 7.1.4 (unaffected)

Vendor states this is fixed in 7.2 (unaffected)