CVE-2026-53376 (GCVE-0-2026-53376)

Vulnerability from cvelistv5 – Published: 2026-07-19 10:01 – Updated: 2026-07-20 06:41
VLAI
Title
drm/amdkfd: Add upper bound check for num_of_nodes
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Add upper bound check for num_of_nodes drm/amdkfd: Add upper bound check for num_of_nodes in kfd_ioctl_get_process_apertures_new. (cherry picked from commit 98ff46a5ea090c14d2cdb4f5b993b05d74f3949f)
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66 , < 4a8093c7def141cc6e854fbe3f9693867982418f (git)
Affected: c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66 , < 6ba6ec5fcbb0d03ca11ed1cc38d57a7deb6c6b20 (git)
Affected: c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66 , < 44d5a450c04d3d734c13a03561c3131020d66edf (git)
Affected: c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66 , < 7b80137eb8aa9d1cbfe7ccf3eeb1faa94ae35d7e (git)
Affected: c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66 , < 74b73fa56a395d46745e4f245225963e9f8be7f1 (git)
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Linux Linux Affected: 4.17
Unaffected: 0 , < 4.17 (semver)
Unaffected: 6.6.140 , ≤ 6.6.* (semver)
Unaffected: 6.12.90 , ≤ 6.12.* (semver)
Unaffected: 6.18.32 , ≤ 6.18.* (semver)
Unaffected: 7.0.9 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdkfd/kfd_chardev.c",
            "drivers/gpu/drm/amd/amdkfd/kfd_priv.h",
            "drivers/gpu/drm/amd/amdkfd/kfd_topology.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4a8093c7def141cc6e854fbe3f9693867982418f",
              "status": "affected",
              "version": "c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66",
              "versionType": "git"
            },
            {
              "lessThan": "6ba6ec5fcbb0d03ca11ed1cc38d57a7deb6c6b20",
              "status": "affected",
              "version": "c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66",
              "versionType": "git"
            },
            {
              "lessThan": "44d5a450c04d3d734c13a03561c3131020d66edf",
              "status": "affected",
              "version": "c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66",
              "versionType": "git"
            },
            {
              "lessThan": "7b80137eb8aa9d1cbfe7ccf3eeb1faa94ae35d7e",
              "status": "affected",
              "version": "c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66",
              "versionType": "git"
            },
            {
              "lessThan": "74b73fa56a395d46745e4f245225963e9f8be7f1",
              "status": "affected",
              "version": "c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/amdkfd/kfd_chardev.c",
            "drivers/gpu/drm/amd/amdkfd/kfd_priv.h",
            "drivers/gpu/drm/amd/amdkfd/kfd_topology.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.17"
            },
            {
              "lessThan": "4.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.90",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.32",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.140",
                  "versionStartIncluding": "4.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.90",
                  "versionStartIncluding": "4.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.32",
                  "versionStartIncluding": "4.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.9",
                  "versionStartIncluding": "4.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "4.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Add upper bound check for num_of_nodes\n\ndrm/amdkfd: Add upper bound check for num_of_nodes\nin kfd_ioctl_get_process_apertures_new.\n\n(cherry picked from commit 98ff46a5ea090c14d2cdb4f5b993b05d74f3949f)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-20T06:41:19.041Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4a8093c7def141cc6e854fbe3f9693867982418f"
        },
        {
          "url": "https://git.kernel.org/stable/c/6ba6ec5fcbb0d03ca11ed1cc38d57a7deb6c6b20"
        },
        {
          "url": "https://git.kernel.org/stable/c/44d5a450c04d3d734c13a03561c3131020d66edf"
        },
        {
          "url": "https://git.kernel.org/stable/c/7b80137eb8aa9d1cbfe7ccf3eeb1faa94ae35d7e"
        },
        {
          "url": "https://git.kernel.org/stable/c/74b73fa56a395d46745e4f245225963e9f8be7f1"
        }
      ],
      "title": "drm/amdkfd: Add upper bound check for num_of_nodes",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-53376",
    "datePublished": "2026-07-19T10:01:59.527Z",
    "dateReserved": "2026-06-09T07:44:35.401Z",
    "dateUpdated": "2026-07-20T06:41:19.041Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "microsoft_vex": {
      "current_release_date": "2026-07-20T01:02:57.000Z",
      "cve": "CVE-2026-53376",
      "id": "msrc_CVE-2026-53376",
      "initial_release_date": "2026-07-20T01:02:57.000Z",
      "product_status:under_investigation": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "drm/amdkfd: Add upper bound check for num_of_nodes",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-53376.json",
      "version": "1"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-53376\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-07-19T11:16:38.740\",\"lastModified\":\"2026-07-20T07:16:37.680\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amdkfd: Add upper bound check for num_of_nodes\\n\\ndrm/amdkfd: Add upper bound check for num_of_nodes\\nin kfd_ioctl_get_process_apertures_new.\\n\\n(cherry picked from commit 98ff46a5ea090c14d2cdb4f5b993b05d74f3949f)\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/gpu/drm/amd/amdkfd/kfd_chardev.c\",\"drivers/gpu/drm/amd/amdkfd/kfd_priv.h\",\"drivers/gpu/drm/amd/amdkfd/kfd_topology.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66\",\"lessThan\":\"4a8093c7def141cc6e854fbe3f9693867982418f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66\",\"lessThan\":\"6ba6ec5fcbb0d03ca11ed1cc38d57a7deb6c6b20\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66\",\"lessThan\":\"44d5a450c04d3d734c13a03561c3131020d66edf\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66\",\"lessThan\":\"7b80137eb8aa9d1cbfe7ccf3eeb1faa94ae35d7e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c7bcbfa4f8d1e0e1078adfe959d4b65542bccf66\",\"lessThan\":\"74b73fa56a395d46745e4f245225963e9f8be7f1\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/gpu/drm/amd/amdkfd/kfd_chardev.c\",\"drivers/gpu/drm/amd/amdkfd/kfd_priv.h\",\"drivers/gpu/drm/amd/amdkfd/kfd_topology.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.17\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.17\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.140\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.90\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.32\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.0.9\",\"lessThanOrEqual\":\"7.0.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/44d5a450c04d3d734c13a03561c3131020d66edf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4a8093c7def141cc6e854fbe3f9693867982418f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6ba6ec5fcbb0d03ca11ed1cc38d57a7deb6c6b20\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/74b73fa56a395d46745e4f245225963e9f8be7f1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7b80137eb8aa9d1cbfe7ccf3eeb1faa94ae35d7e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}



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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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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.