Riskcovery

CVE-2023-53168

usb: ucsi_acpi: Increase the command completion timeout

State
Published
Severity
Not scored
Published
Sep 15, 2025
Updated
May 11, 2026
Reserved
Sep 15, 2025

Read the record on cve.org

Description

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

usb: ucsi_acpi: Increase the command completion timeout

Commit 130a96d698d7 ("usb: typec: ucsi: acpi: Increase command completion timeout value") increased the timeout from 5 seconds to 60 seconds due to issues related to alternate mode discovery.

After the alternate mode discovery switch to polled mode the timeout was reduced, but instead of being set back to 5 seconds it was reduced to 1 second.

This is causing problems when using a Lenovo ThinkPad X1 yoga gen7 connected over Type-C to a LG 27UL850-W (charging DP over Type-C).

When the monitor is already connected at boot the following error is logged: "PPM init failed (-110)", /sys/class/typec is empty and on unplugging the NULL pointer deref fixed earlier in this series happens.

When the monitor is connected after boot the following error is logged instead: "GET_CONNECTOR_STATUS failed (-110)".

Setting the timeout back to 5 seconds fixes both cases.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • e08065069fc7b074712378a95a3522d557e9bbe1 to before 1e8525f37871741a52370627633962f8bdcab15aAffected
  • e08065069fc7b074712378a95a3522d557e9bbe1 to before 8346d21d1d8a63f46f60e6899f4f80b1306acf32Affected
  • e08065069fc7b074712378a95a3522d557e9bbe1 to before 02d210f434249a7edbc160969b75df030dc6934dAffected
LinuxLinux
  • 5.16Affected
  • before 5.16Not affected
  • 6.1.22 through 6.1.*Not affected
  • 6.2.9 through 6.2.*Not affected
  • 6.3 and laterNot affected

References

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