CVE-2023-52773 (GCVE-0-2023-52773)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:30 – Updated: 2025-05-04 07:42
VLAI?
Title
drm/amd/display: fix a NULL pointer dereference in amdgpu_dm_i2c_xfer()
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix a NULL pointer dereference in amdgpu_dm_i2c_xfer() When ddc_service_construct() is called, it explicitly checks both the link type and whether there is something on the link which will dictate whether the pin is marked as hw_supported. If the pin isn't set or the link is not set (such as from unloading/reloading amdgpu in an IGT test) then fail the amdgpu_dm_i2c_xfer() call.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 22676bc500c27d987a0b42cbe162aebf783f1c38 , < fb5c134ca589fe670430acc9e7ebf2691ca2476d (git)
Affected: 22676bc500c27d987a0b42cbe162aebf783f1c38 , < 5b14cf37b9f01de0b28c6f8960019d4c7883ce42 (git)
Affected: 22676bc500c27d987a0b42cbe162aebf783f1c38 , < 1d07b7e84276777dad3c8cfebdf8e739606f90c9 (git)
Affected: 22676bc500c27d987a0b42cbe162aebf783f1c38 , < b71f4ade1b8900d30c661d6c27f87c35214c398c (git)
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    Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.64 , ≤ 6.1.* (semver)
Unaffected: 6.5.13 , ≤ 6.5.* (semver)
Unaffected: 6.6.3 , ≤ 6.6.* (semver)
Unaffected: 6.7 , ≤ * (original_commit_for_fix)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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