GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2023-53483 (GCVE-0-2023-53483)

Vulnerability from cvelistv5 – Published: 2025-10-01 11:42 – Updated: 2026-05-11 19:45
VLAI
Title
ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()
Summary
In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup() devm_kzalloc() may fail, clk_data->name might be NULL and will cause a NULL pointer dereference later. [ rjw: Subject and changelog edits ]
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 7fdb98e8a768b3ccc05494d3ea4436047f512b9d , < 79ca94bc3e8cc3befa883c7d30b30a27ef0ea386 (git)
Affected: 7fdb98e8a768b3ccc05494d3ea4436047f512b9d , < 8a632ff6a2bea49993002b4c46092a2aea625840 (git)
Affected: 7fdb98e8a768b3ccc05494d3ea4436047f512b9d , < 4dea41775d951ff1f7b472a346a8ca3ae7e74455 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.17
Unaffected: 0 , < 5.17 (semver)
Unaffected: 6.1.30 , ≤ 6.1.* (semver)
Unaffected: 6.3.4 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/acpi/acpi_apd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "79ca94bc3e8cc3befa883c7d30b30a27ef0ea386",
              "status": "affected",
              "version": "7fdb98e8a768b3ccc05494d3ea4436047f512b9d",
              "versionType": "git"
            },
            {
              "lessThan": "8a632ff6a2bea49993002b4c46092a2aea625840",
              "status": "affected",
              "version": "7fdb98e8a768b3ccc05494d3ea4436047f512b9d",
              "versionType": "git"
            },
            {
              "lessThan": "4dea41775d951ff1f7b472a346a8ca3ae7e74455",
              "status": "affected",
              "version": "7fdb98e8a768b3ccc05494d3ea4436047f512b9d",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/acpi/acpi_apd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.17"
            },
            {
              "lessThan": "5.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.3.*",
              "status": "unaffected",
              "version": "6.3.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.4",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.30",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3.4",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.4",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()\n\ndevm_kzalloc() may fail, clk_data-\u003ename might be NULL and will\ncause a NULL pointer dereference later.\n\n[ rjw: Subject and changelog edits ]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:45:51.667Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/79ca94bc3e8cc3befa883c7d30b30a27ef0ea386"
        },
        {
          "url": "https://git.kernel.org/stable/c/8a632ff6a2bea49993002b4c46092a2aea625840"
        },
        {
          "url": "https://git.kernel.org/stable/c/4dea41775d951ff1f7b472a346a8ca3ae7e74455"
        }
      ],
      "title": "ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53483",
    "datePublished": "2025-10-01T11:42:51.778Z",
    "dateReserved": "2025-10-01T11:39:39.402Z",
    "dateUpdated": "2026-05-11T19:45:51.667Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-53483",
      "date": "2026-09-14",
      "epss": "0.00154",
      "percentile": "0.04836"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53483\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-01T12:15:51.027\",\"lastModified\":\"2026-06-17T06:45:26.547\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()\\n\\ndevm_kzalloc() may fail, clk_data-\u003ename might be NULL and will\\ncause a NULL pointer dereference later.\\n\\n[ rjw: Subject and changelog edits ]\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/acpi/acpi_apd.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"7fdb98e8a768b3ccc05494d3ea4436047f512b9d\",\"lessThan\":\"79ca94bc3e8cc3befa883c7d30b30a27ef0ea386\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"7fdb98e8a768b3ccc05494d3ea4436047f512b9d\",\"lessThan\":\"8a632ff6a2bea49993002b4c46092a2aea625840\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"7fdb98e8a768b3ccc05494d3ea4436047f512b9d\",\"lessThan\":\"4dea41775d951ff1f7b472a346a8ca3ae7e74455\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/acpi/acpi_apd.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.17\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.17\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.30\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.3.4\",\"lessThanOrEqual\":\"6.3.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.4\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.17\",\"versionEndExcluding\":\"6.1.30\",\"matchCriteriaId\":\"7A816564-2AFA-4EC1-B912-C4F24F73E800\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.3.4\",\"matchCriteriaId\":\"26C54BF0-3EED-46D4-92A7-5F07F658B49B\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4dea41775d951ff1f7b472a346a8ca3ae7e74455\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/79ca94bc3e8cc3befa883c7d30b30a27ef0ea386\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8a632ff6a2bea49993002b4c46092a2aea625840\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T22:24:08+00:00",
      "cve": "CVE-2023-53483",
      "id": "CVE-2023-53483",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "400",
      "product_status:known_affected": "80",
      "product_status:known_not_affected": "84",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ACPI: processor: Check for null return of devm_kzalloc() in fch_misc_setup()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53483.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-29T02:07:09Z",
      "cve": "CVE-2023-53483",
      "id": "CVE-2023-53483",
      "initial_release_date": "2025-10-01T23:30:24Z",
      "product_status:known_affected": "67",
      "product_status:known_not_affected": "456",
      "product_status:recommended": "20",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-53483",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53483.json",
      "version": "11"
    }
  }
}



Log in or create an account to share your comment.




Tags
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.