CVE-2023-53077 (GCVE-0-2023-53077)

Vulnerability from cvelistv5 – Published: 2025-05-02 15:55 – Updated: 2025-09-03 13:06
VLAI?
Title
drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes [WHY] When PTEBufferSizeInRequests is zero, UBSAN reports the following warning because dml_log2 returns an unexpected negative value: shift exponent 4294966273 is too large for 32-bit type 'int' [HOW] In the case PTEBufferSizeInRequests is zero, skip the dml_log2() and assign the result directly.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 6725a88f88a7e922e91c45bf83d320487810c192 , < 7257070be70e19a9138f39009c1a26c83a8a7cfa (git)
Affected: 6725a88f88a7e922e91c45bf83d320487810c192 , < bec1bea2fa974e63f6059c33edde669c7894d0bc (git)
Affected: 6725a88f88a7e922e91c45bf83d320487810c192 , < a16394b5d661afec9a264fecac3abd87aea439ea (git)
Affected: 6725a88f88a7e922e91c45bf83d320487810c192 , < e12b95680821b9880cd9992c0f3555389363604f (git)
Affected: 6725a88f88a7e922e91c45bf83d320487810c192 , < 031f196d1b1b6d5dfcb0533b431e3ab1750e6189 (git)
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    Linux Linux Affected: 5.9
Unaffected: 0 , < 5.9 (semver)
Unaffected: 5.10.176 , ≤ 5.10.* (semver)
Unaffected: 5.15.104 , ≤ 5.15.* (semver)
Unaffected: 6.1.21 , ≤ 6.1.* (semver)
Unaffected: 6.2.8 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c"
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              "version": "6.3",
              "versionType": "original_commit_for_fix"
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      ],
      "cpeApplicability": [
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          "nodes": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes\n\n[WHY]\nWhen PTEBufferSizeInRequests is zero, UBSAN reports the following\nwarning because dml_log2 returns an unexpected negative value:\n\n  shift exponent 4294966273 is too large for 32-bit type \u0027int\u0027\n\n[HOW]\n\nIn the case PTEBufferSizeInRequests is zero, skip the dml_log2() and\nassign the result directly."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-03T13:06:38.200Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/7257070be70e19a9138f39009c1a26c83a8a7cfa"
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          "url": "https://git.kernel.org/stable/c/bec1bea2fa974e63f6059c33edde669c7894d0bc"
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        },
        {
          "url": "https://git.kernel.org/stable/c/031f196d1b1b6d5dfcb0533b431e3ab1750e6189"
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      "title": "drm/amd/display: fix shift-out-of-bounds in CalculateVMAndRowBytes",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53077",
    "datePublished": "2025-05-02T15:55:27.613Z",
    "dateReserved": "2025-05-02T15:51:43.549Z",
    "dateUpdated": "2025-09-03T13:06:38.200Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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