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CVE-2023-52649 (GCVE-0-2023-52649)

Vulnerability from cvelistv5 – Published: 2024-05-01 12:53 – Updated: 2026-05-11 19:31
VLAI
Title
drm/vkms: Avoid reading beyond LUT array
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Avoid reading beyond LUT array When the floor LUT index (drm_fixp2int(lut_index) is the last index of the array the ceil LUT index will point to an entry beyond the array. Make sure we guard against it and use the value of the floor LUT index. v3: - Drop bits from commit description that didn't contribute anything of value
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-14 18:55 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: db1f254f2cfaf0510ae34fa2311a8d749e95179a , < 9556c167673057d48ce4a0da675026fe046654c1 (git)
Affected: db1f254f2cfaf0510ae34fa2311a8d749e95179a , < 046c1184ce60b0a37d48134f17ddbc1f32ce02bd (git)
Affected: db1f254f2cfaf0510ae34fa2311a8d749e95179a , < 92800aaeff51b8358d1e0a7eb74daf8aa2d7ce9d (git)
Affected: db1f254f2cfaf0510ae34fa2311a8d749e95179a , < 2fee84030d12d9fddfa874e4562d71761a129277 (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.6.23 , ≤ 6.6.* (semver)
Unaffected: 6.7.11 , ≤ 6.7.* (semver)
Unaffected: 6.8.2 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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      "initial_release_date": "2024-05-03T02:11:02Z",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "385",
      "product_status:recommended": "209",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-52649",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-52649.json",
      "version": "54"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/9556c167673057d48ce4a0da675026fe046654c1\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/046c1184ce60b0a37d48134f17ddbc1f32ce02bd\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/92800aaeff51b8358d1e0a7eb74daf8aa2d7ce9d\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/2fee84030d12d9fddfa874e4562d71761a129277\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T23:03:21.234Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-52649\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-14T18:55:01.102324Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-14T18:55:15.517Z\"}}], \"cna\": {\"title\": \"drm/vkms: Avoid reading beyond LUT array\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"db1f254f2cfaf0510ae34fa2311a8d749e95179a\", \"lessThan\": \"9556c167673057d48ce4a0da675026fe046654c1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"db1f254f2cfaf0510ae34fa2311a8d749e95179a\", \"lessThan\": \"046c1184ce60b0a37d48134f17ddbc1f32ce02bd\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"db1f254f2cfaf0510ae34fa2311a8d749e95179a\", \"lessThan\": \"92800aaeff51b8358d1e0a7eb74daf8aa2d7ce9d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"db1f254f2cfaf0510ae34fa2311a8d749e95179a\", \"lessThan\": \"2fee84030d12d9fddfa874e4562d71761a129277\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/vkms/vkms_composer.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.6\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.6\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.23\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.11\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/vkms/vkms_composer.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/9556c167673057d48ce4a0da675026fe046654c1\"}, {\"url\": \"https://git.kernel.org/stable/c/046c1184ce60b0a37d48134f17ddbc1f32ce02bd\"}, {\"url\": \"https://git.kernel.org/stable/c/92800aaeff51b8358d1e0a7eb74daf8aa2d7ce9d\"}, {\"url\": \"https://git.kernel.org/stable/c/2fee84030d12d9fddfa874e4562d71761a129277\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/vkms: Avoid reading beyond LUT array\\n\\nWhen the floor LUT index (drm_fixp2int(lut_index) is the last\\nindex of the array the ceil LUT index will point to an entry\\nbeyond the array. Make sure we guard against it and use the\\nvalue of the floor LUT index.\\n\\nv3:\\n - Drop bits from commit description that didn\u0027t contribute\\n   anything of value\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T08:23:19.980Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-52649\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T08:23:19.980Z\", \"dateReserved\": \"2024-03-06T09:52:12.096Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-01T12:53:08.534Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Taxonomy of the tags.





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.