CVE-2023-53059

kernel: platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 2, 2025

Updated · June 30, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl

It is possible to peep kernel page's data by providing larger insize in struct cros_ec_command1 ↗ when invoking EC host commands.

Fix it by using zeroed memory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE not specified