CVE-2024-42121 (GCVE-0-2024-42121)

Vulnerability from cvelistv5 – Published: 2024-07-30 07:46 – Updated: 2026-05-11 20:27
VLAI
Title
drm/amd/display: Check index msg_id before read or write
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check index msg_id before read or write [WHAT] msg_id is used as an array index and it cannot be a negative value, and therefore cannot be equal to MOD_HDCP_MESSAGE_ID_INVALID (-1). [HOW] Check whether msg_id is valid before reading and setting. This fixes 4 OVERRUN issues reported by Coverity.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 16:16 UTC
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < b5b8837d066cc182ff69fb5629ad32ade5484567 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < fbb0701af9734cff13917a4b98b5ee9da2fde48d (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < ae91ffbc8b8d942e3e7f188728cad557b7ed5ee4 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 9933eca6ada0cd612e19522e7a319bcef464c0eb (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < a31ea49dc8064a557565725cf045944307476a6e (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 59d99deb330af206a4541db0c4da8f73880fba03 (git)
Create a notification for this product.
Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 5.10.222 , ≤ 5.10.* (semver)
Unaffected: 5.15.163 , ≤ 5.15.* (semver)
Unaffected: 6.1.98 , ≤ 6.1.* (semver)
Unaffected: 6.6.39 , ≤ 6.6.* (semver)
Unaffected: 6.9.9 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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        "datePublished": "2024-07-30T07:46:13.064Z",
        "dateReserved": "2024-07-29T15:50:41.179Z",
        "dateUpdated": "2026-05-11T20:27:23.851Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
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    }
  }
}



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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.

Sightings

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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.
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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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.