Vulnerability Monitor

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CVE-2023-53049

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.

Published

2025-05-02T16:15:23.990

Last Modified

2025-11-12T18:34:10.377

Status

Analyzed

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Severity

CVSSv3.1: 5.5 (MEDIUM)

Weaknesses
  • Type: Primary
    CWE-476
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 5.10.177 Yes
Operating System linux linux_kernel < 5.15.105 Yes
Operating System linux linux_kernel < 6.1.22 Yes
Operating System linux linux_kernel < 6.2.9 Yes
Operating System linux linux_kernel 6.3 Yes
Operating System linux linux_kernel 6.3 Yes
Operating System linux linux_kernel 6.3 Yes
References