CVE-2023-53049 (GCVE-0-2023-53049)

Vulnerability from cvelistv5 – Published: 2025-05-02 15:55 – Updated: 2026-05-11 19:37
VLAI
Title
usb: ucsi: Fix NULL pointer deref in ucsi_connector_change()
Summary
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.
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: bdc62f2bae8fb0e8e99574de5232f0a3c54a27df , < a6adfe9bbd6ac11e398b54ccd99a0f8eea09f3c0 (git)
Affected: bdc62f2bae8fb0e8e99574de5232f0a3c54a27df , < 7dd27aed9c456670b3882877ef17a48195f21693 (git)
Affected: bdc62f2bae8fb0e8e99574de5232f0a3c54a27df , < 1c5abcb13491da8c049f20462189c12c753ba978 (git)
Affected: bdc62f2bae8fb0e8e99574de5232f0a3c54a27df , < 7ef0423e43f877a328454059d46763043ce3da44 (git)
Affected: bdc62f2bae8fb0e8e99574de5232f0a3c54a27df , < f87fb985452ab2083967103ac00bfd68fb182764 (git)
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Linux Linux Affected: 5.5
Unaffected: 0 , < 5.5 (semver)
Unaffected: 5.10.177 , ≤ 5.10.* (semver)
Unaffected: 5.15.105 , ≤ 5.15.* (semver)
Unaffected: 6.1.22 , ≤ 6.1.* (semver)
Unaffected: 6.2.9 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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      "cve": "CVE-2023-53049",
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      "product_status:known_affected": "184",
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      "title": "SUSE CVE CVE-2023-53049",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53049.json",
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}



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