CVE-2026-45865

kernel: mctp i2c: initialise event handler read bytes

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 27, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's Message Control Transport Protocol (MCTP) over I2C (Inter-Integrated Circuit) implementation. A local attacker could exploit this vulnerability by performing I2C reads on an MCTP-I2C device. This could lead to the disclosure of uninitialized stack memory, potentially revealing sensitive information.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-908 · Use of Uninitialized Resource