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CVE-2024-26667 (GCVE-0-2024-26667)

Vulnerability from cvelistv5 – Published: 2024-04-02 06:22 – Updated: 2026-05-11 20:01
VLAI
Title
drm/msm/dpu: check for valid hw_pp in dpu_encoder_helper_phys_cleanup
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: check for valid hw_pp in dpu_encoder_helper_phys_cleanup The commit 8b45a26f2ba9 ("drm/msm/dpu: reserve cdm blocks for writeback in case of YUV output") introduced a smatch warning about another conditional block in dpu_encoder_helper_phys_cleanup() which had assumed hw_pp will always be valid which may not necessarily be true. Lets fix the other conditional block by making sure hw_pp is valid before dereferencing it. Patchwork: https://patchwork.freedesktop.org/patch/574878/
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-02 14:52 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: ae4d721ce10057a4aa9f0d253e0d460518a9ef75 , < fb8bfc6ea3cd8c5ac3d35711d064e2f6646aec17 (git)
Affected: ae4d721ce10057a4aa9f0d253e0d460518a9ef75 , < 79592a6e7bdc1d05460c95f891f5e5263a107af8 (git)
Affected: ae4d721ce10057a4aa9f0d253e0d460518a9ef75 , < eb4f56f3ff5799ca754ae6d811803a63fe25a4a2 (git)
Affected: ae4d721ce10057a4aa9f0d253e0d460518a9ef75 , < 7f3d03c48b1eb6bc45ab20ca98b8b11be25f9f52 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.19
Unaffected: 0 , < 5.19 (semver)
Unaffected: 6.1.78 , ≤ 6.1.* (semver)
Unaffected: 6.6.17 , ≤ 6.6.* (semver)
Unaffected: 6.7.5 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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\"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/fb8bfc6ea3cd8c5ac3d35711d064e2f6646aec17\"}, {\"url\": \"https://git.kernel.org/stable/c/79592a6e7bdc1d05460c95f891f5e5263a107af8\"}, {\"url\": \"https://git.kernel.org/stable/c/eb4f56f3ff5799ca754ae6d811803a63fe25a4a2\"}, {\"url\": \"https://git.kernel.org/stable/c/7f3d03c48b1eb6bc45ab20ca98b8b11be25f9f52\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/msm/dpu: check for valid hw_pp in dpu_encoder_helper_phys_cleanup\\n\\nThe commit 8b45a26f2ba9 (\\\"drm/msm/dpu: reserve cdm blocks for writeback\\nin case of YUV output\\\") introduced a smatch warning about another\\nconditional block in dpu_encoder_helper_phys_cleanup() which had assumed\\nhw_pp will always be valid which may not necessarily be true.\\n\\nLets fix the other conditional block by making sure hw_pp is valid\\nbefore dereferencing it.\\n\\nPatchwork: https://patchwork.freedesktop.org/patch/574878/\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.78\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.17\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.5\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"5.19\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:01:51.667Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26667\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:01:51.667Z\", \"dateReserved\": \"2024-02-19T14:20:24.149Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-02T06:22:15.789Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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

Author Source Type Date Other

Nomenclature

  • 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.


Detection rules are retrieved from Rulezet.


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.