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DEBIAN-CVE-2023-53049

DEBIAN-CVE-2023-53049 PUBLISHED CVSS 5.5 MEDIUM

In the Linux kernel, the following vulnerability has been resolved: usb: ucsi: Fix NULL pointer deref in ucsi_connector_change() When ucsi_init() fails, ucsi->connector is NULL, yet in case of ucsi_acpi we may still get events which cause the ucs_acpi code to call ucsi_connector_change(), which then derefs the NULL ucsi->connector pointer. Fix this by not setting ucsi->ntfy inside ucsi_init() until ucsi_init() has succeeded, so that ucsi_connector_change() ignores the events because UCSI_ENABLE_NTFY_CONNECTOR_CHANGE is not set in the ntfy mask.

Risk Scores

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

Affected Products

VendorProductVersions
Debian:12linux0, 0, 0
Debian:11linux5.10.92-2, 5.10.84-1, 5.10.92-1
Debian:13linux0, 0, 0
Debian:14linux0, 0, 0

Timeline

  • May 2, 2025 CVE Published
  • Apr 28, 2026 CVE Updated
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