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CVE-2025-37967 (GCVE-0-2025-37967)

Vulnerability from cvelistv5 – Published: 2025-05-20 16:47 – Updated: 2026-05-11 21:18
VLAI
Title
usb: typec: ucsi: displayport: Fix deadlock
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Fix deadlock This patch introduces the ucsi_con_mutex_lock / ucsi_con_mutex_unlock functions to the UCSI driver. ucsi_con_mutex_lock ensures the connector mutex is only locked if a connection is established and the partner pointer is valid. This resolves a deadlock scenario where ucsi_displayport_remove_partner holds con->mutex waiting for dp_altmode_work to complete while dp_altmode_work attempts to acquire it.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: af8622f6a585d8d82b11cd7987e082861fd0edd3 , < f4bd982563c2fd41ec9ca6c517c392d759db801c (git)
Affected: af8622f6a585d8d82b11cd7987e082861fd0edd3 , < f32451ca4cb7dc53f2a0e2e66b84d34162747eb7 (git)
Affected: af8622f6a585d8d82b11cd7987e082861fd0edd3 , < 962ce9028ca6eb450d5c205238a3ee27de9d214d (git)
Affected: af8622f6a585d8d82b11cd7987e082861fd0edd3 , < 5924b324468845fc795bd76f588f51d7ab4f202d (git)
Affected: af8622f6a585d8d82b11cd7987e082861fd0edd3 , < 61fc1a8e1e10cc784cab5829930838aaf1d37af5 (git)
Affected: af8622f6a585d8d82b11cd7987e082861fd0edd3 , < 364618c89d4c57c85e5fc51a2446cd939bf57802 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.2
Unaffected: 0 , < 5.2 (semver)
Unaffected: 5.15.184 , ≤ 5.15.* (semver)
Unaffected: 6.1.140 , ≤ 6.1.* (semver)
Unaffected: 6.6.92 , ≤ 6.6.* (semver)
Unaffected: 6.12.30 , ≤ 6.12.* (semver)
Unaffected: 6.14.7 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    "redhat_vex": {
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      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: usb: typec: ucsi: displayport: Fix deadlock",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-37967.json",
      "version": "3"
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      "cve": "CVE-2025-37967",
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      "source": "SUSE CSAF VEX",
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      "title": "SUSE CVE CVE-2025-37967",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-37967.json",
      "version": "41"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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