CVE-2022-50535 (GCVE-0-2022-50535)

Vulnerability from cvelistv5 – Published: 2025-10-07 15:21 – Updated: 2025-12-20 08:50
VLAI?
Title
drm/amd/display: Fix potential null-deref in dm_resume
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix potential null-deref in dm_resume [Why] Fixing smatch error: dm_resume() error: we previously assumed 'aconnector->dc_link' could be null [How] Check if dc_link null at the beginning of the loop, so further checks can be dropped.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < fd79b61af2782f8875c78f50cdb8630ec43e2990 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < d236103782de25736996a45bd36ac2a89bdc93c6 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 9f73793b81637c60ccc83cc508645310b8ab7d80 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < bb9a5562beb982aa5ebb73c521c49596ff8b8030 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 8e365f1bd672cc9320a936f6ae6f8087aa40e9bc (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 00b655fa96b4e941351cc4bf5ca755a65ae94a8e (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 7a7175a2cd84b7874bebbf8e59f134557a34161b (git)
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    Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 4.19.276 , ≤ 4.19.* (semver)
Unaffected: 5.4.235 , ≤ 5.4.* (semver)
Unaffected: 5.10.173 , ≤ 5.10.* (semver)
Unaffected: 5.15.99 , ≤ 5.15.* (semver)
Unaffected: 6.1.16 , ≤ 6.1.* (semver)
Unaffected: 6.2.3 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
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              "version": "5.4.235",
              "versionType": "semver"
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              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.173",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.99",
              "versionType": "semver"
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              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.16",
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix potential null-deref in dm_resume\n\n[Why]\nFixing smatch error:\ndm_resume() error: we previously assumed \u0027aconnector-\u003edc_link\u0027 could be null\n\n[How]\nCheck if dc_link null at the beginning of the loop,\nso further checks can be dropped."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-20T08:50:58.341Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/fd79b61af2782f8875c78f50cdb8630ec43e2990"
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        {
          "url": "https://git.kernel.org/stable/c/7a7175a2cd84b7874bebbf8e59f134557a34161b"
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      "title": "drm/amd/display: Fix potential null-deref in dm_resume",
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    "datePublished": "2025-10-07T15:21:02.347Z",
    "dateReserved": "2025-10-07T15:15:38.666Z",
    "dateUpdated": "2025-12-20T08:50:58.341Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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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