CVE-2023-53059

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

HIGH

7.1

CVSS Score

Published: May 2, 2025 at 03:55 PM UTC

Updated: June 17, 2026 at 06:44 AM UTC

1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.1

Exploit prediction

EPSS 0.2%

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_command[1] when invoking EC host commands. Fix it by using zeroed memory. [1]: https://elixir.bootlin.com/linux/v6.2/source/include/linux/platform_data/cros_ec_proto.h#L74

Affected

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

Linux Kernel · Linux

95%

5.11 ≤ v < 5.15.1055.16 ≤ v < 6.1.225.4 ≤ v < 5.10.1775.4 ≤ v < 5.15.1055.4 ≤ v < 5.4.2405.4 ≤ v < 6.1.225.4 ≤ v < 6.2.95.4 ≤ v < 6.35.5 ≤ v < 5.10.1776.2 ≤ v < 6.2.95.4 6.3 rc1 6.3 rc2 6.3 rc3eda2e30c6684d67288edb841c6125d48c608a242

Vendor states this is fixed in 13493ad6a220cb3f6f3552a16b4f2753a118b633 (fixed)

Vendor states this is fixed in a0d8644784f73fa39f57f72f374eefaba2bf48a0 (fixed)

Vendor states this is fixed in b20cf3f89c56b5f6a38b7f76a8128bf9f291bbd3 (fixed)

Vendor states this is fixed in eab28bfafcd1245a3510df9aa9eb940589956ea6 (fixed)

Vendor states this is fixed in ebea2e16504f40d2c2bac42ad5c5a3de5ce034b4 (fixed)

Vendor states this is fixed in f86ff88a1548ccf5a13960c0e7625ca787ea0993 (fixed)

Vendor states this is fixed in 5.10.177 (unaffected)

Vendor states this is fixed in 5.15.105 (unaffected)

Vendor states this is fixed in 5.4 (unaffected)

Vendor states this is fixed in 5.4.240 (unaffected)

Vendor states this is fixed in 6.1.22 (unaffected)

Vendor states this is fixed in 6.2.9 (unaffected)