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CVE-2023-53753 (GCVE-0-2023-53753)

Vulnerability from cvelistv5 – Published: 2025-12-08 01:19 – Updated: 2026-08-05 09:15
VLAI
Title
drm/amd/display: fix mapping to non-allocated address
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix mapping to non-allocated address [Why] There is an issue mapping non-allocated location of memory. It would allocate gpio registers from an array out of bounds. [How] Patch correct numbers of bounds for using.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 8ce8a443ddd9002861a4ee8a7e33a0c02717422f (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 24aaf6603600d6d1159973c809ea2737664b28c4 (git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 9190d4a263264eabf715f5fc1827da45e3fdc247 (git)
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Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (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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Show details on NVD website
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c",
            "drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c",
            "drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c",
            "drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "8ce8a443ddd9002861a4ee8a7e33a0c02717422f",
              "status": "affected",
              "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
              "versionType": "git"
            },
            {
              "lessThan": "24aaf6603600d6d1159973c809ea2737664b28c4",
              "status": "affected",
              "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
              "versionType": "git"
            },
            {
              "lessThan": "9190d4a263264eabf715f5fc1827da45e3fdc247",
              "status": "affected",
              "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c",
            "drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c",
            "drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c",
            "drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.15"
            },
            {
              "lessThan": "4.15",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.16",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2.3",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3",
                  "versionStartIncluding": "4.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix mapping to non-allocated address\n\n[Why]\nThere is an issue mapping non-allocated location of memory.\nIt would allocate gpio registers from an array out of bounds.\n\n[How]\nPatch correct numbers of bounds for using."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The amdgpu/DC display stack is a local device driver; the out-of-bounds indexing is reached through driver initialization and DDC/I2C transactions driven by local DRM ioctls on /dev/dri/card* (forced connector probe \u2192 drm_get_edid \u2192 dc_submit_i2c \u2192 dal_ddc_open \u2192 define_ddc_registers). There is no network-facing path to this code.\nAC:L - On an affected DCN2/DCN3/DCN3.2 board whose VBIOS maps a DDC/OEM-I2C line to the DC_GPIO_DDCVGA_A pad, en==GPIO_DDC_LINE_DDC_VGA is produced deterministically and the \u0026ddc_shift[6]/\u0026ddc_mask[6] overread happens on every gpio open \u2014 no race, no memory-layout grooming, and the attacker can repeat connector probes at will.\nPR:L - An unprivileged local user with a normal DRM/render node handle (video/render group, granted to the active logind session on desktops and to app processes on Android) can force connector detection and EDID/I2C traffic over the affected DDC line; no CAP_SYS_ADMIN or root is required.\nUI:N - The vulnerable path is entered by the driver itself at resource-pool/link init and by any programmatic connector probe or i2c transfer; no victim action such as plugging a monitor or opening a file is needed.\nS:U - The out-of-bounds access and its effects are entirely within the kernel\u0027s own security authority (kernel .rodata read plus GPU register programming by the same driver); no VM, IOMMU, or sandbox boundary is crossed.\nC:H - This is an out-of-bounds read of 40 bytes of kernel .rodata beyond the end of ddc_shift[]/ddc_mask[] \u2014 well past a \"few bytes\" \u2014 and the leaked adjacent kernel constants are consumed as bitfield descriptors whose effect on the GPIO/I2C register state is observable to the caller performing DDC transactions.\nI:H - The out-of-bounds-derived shift and mask values are fed directly into REG_SET/REG_UPDATE read-modify-write sequences against the GPU\u0027s DDC GPIO MASK register, so arbitrary unintended bits of live hardware control registers are overwritten with values the driver never validated.\nA:H - Misprogramming the DDC/I2C pad control bits wedges display detection and I2C on that line, and the global-out-of-bounds access plus the resulting out-of-range shift counts trigger KASAN/UBSAN reports that panic the kernel under panic_on_warn, which is standard on hardened and Android builds."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T09:15:50.057Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8ce8a443ddd9002861a4ee8a7e33a0c02717422f"
        },
        {
          "url": "https://git.kernel.org/stable/c/24aaf6603600d6d1159973c809ea2737664b28c4"
        },
        {
          "url": "https://git.kernel.org/stable/c/9190d4a263264eabf715f5fc1827da45e3fdc247"
        }
      ],
      "title": "drm/amd/display: fix mapping to non-allocated address",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53753",
    "datePublished": "2025-12-08T01:19:13.743Z",
    "dateReserved": "2025-12-08T01:18:04.279Z",
    "dateUpdated": "2026-08-05T09:15:50.057Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-53753",
      "date": "2026-09-19",
      "epss": "0.00141",
      "percentile": "0.03793"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c",
                  "drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c",
                  "drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c",
                  "drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
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                    "status": "affected",
                    "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "24aaf6603600d6d1159973c809ea2737664b28c4",
                    "status": "affected",
                    "version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
                    "versionType": "git"
                  },
                  {
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                    "status": "affected",
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                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
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                  "drivers/gpu/drm/amd/display/dc/gpio/dcn30/hw_factory_dcn30.c",
                  "drivers/gpu/drm/amd/display/dc/gpio/dcn32/hw_factory_dcn32.c",
                  "drivers/gpu/drm/amd/display/dc/gpio/ddc_regs.h"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
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                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.1.*",
                    "status": "unaffected",
                    "version": "6.1.16",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.2.*",
                    "status": "unaffected",
                    "version": "6.2.3",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "6.3",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix mapping to non-allocated address\n\n[Why]\nThere is an issue mapping non-allocated location of memory.\nIt would allocate gpio registers from an array out of bounds.\n\n[How]\nPatch correct numbers of bounds for using."
          }
        ],
        "id": "CVE-2023-53753",
        "lastModified": "2026-08-04T10:19:20.073",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
              "type": "Secondary"
            }
          ]
        },
        "published": "2025-12-08T02:15:50.847",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/24aaf6603600d6d1159973c809ea2737664b28c4"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/8ce8a443ddd9002861a4ee8a7e33a0c02717422f"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/9190d4a263264eabf715f5fc1827da45e3fdc247"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Deferred"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T19:15:16+00:00",
      "cve": "CVE-2023-53753",
      "id": "CVE-2023-53753",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "120",
      "product_status:known_affected": "124",
      "product_status:known_not_affected": "118",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/amd/display: fix mapping to non-allocated address",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53753.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T01:15:38Z",
      "cve": "CVE-2023-53753",
      "id": "CVE-2023-53753",
      "initial_release_date": "2025-12-09T00:29:15Z",
      "product_status:known_affected": "502",
      "product_status:known_not_affected": "320",
      "product_status:recommended": "136",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-53753",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53753.json",
      "version": "16"
    }
  }
}



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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.