CVE-2022-50327 (GCVE-0-2022-50327)

Vulnerability from cvelistv5 – Published: 2025-09-15 14:49 – Updated: 2026-05-11 19:17
VLAI?
Title
ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value
Summary
In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value The return value of acpi_fetch_acpi_dev() could be NULL, which would cause a NULL pointer dereference to occur in acpi_device_hid(). [ rjw: Subject and changelog edits, added empty line after if () ]
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: a36a7fecfe6071732075ad5aa31196adce13181b , < 8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9 (git)
Affected: a36a7fecfe6071732075ad5aa31196adce13181b , < fdee7a0acc566c4194d40a501b8a1584e86cc208 (git)
Affected: a36a7fecfe6071732075ad5aa31196adce13181b , < ad1190744da9d812da55b76f2afce750afb0a3bd (git)
Affected: a36a7fecfe6071732075ad5aa31196adce13181b , < 2ecd629c788bbfb96be058edade2e934d3763eaf (git)
Affected: a36a7fecfe6071732075ad5aa31196adce13181b , < b85f0e292f73f353eea915499604fbf50c8238b4 (git)
Affected: a36a7fecfe6071732075ad5aa31196adce13181b , < 2437513a814b3e93bd02879740a8a06e52e2cf7d (git)
Create a notification for this product.
Linux Linux Affected: 4.8
Unaffected: 0 , < 4.8 (semver)
Unaffected: 5.4.297 , ≤ 5.4.* (semver)
Unaffected: 5.10.241 , ≤ 5.10.* (semver)
Unaffected: 5.15.190 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T17:31:03.047Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/acpi/processor_idle.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9",
              "status": "affected",
              "version": "a36a7fecfe6071732075ad5aa31196adce13181b",
              "versionType": "git"
            },
            {
              "lessThan": "fdee7a0acc566c4194d40a501b8a1584e86cc208",
              "status": "affected",
              "version": "a36a7fecfe6071732075ad5aa31196adce13181b",
              "versionType": "git"
            },
            {
              "lessThan": "ad1190744da9d812da55b76f2afce750afb0a3bd",
              "status": "affected",
              "version": "a36a7fecfe6071732075ad5aa31196adce13181b",
              "versionType": "git"
            },
            {
              "lessThan": "2ecd629c788bbfb96be058edade2e934d3763eaf",
              "status": "affected",
              "version": "a36a7fecfe6071732075ad5aa31196adce13181b",
              "versionType": "git"
            },
            {
              "lessThan": "b85f0e292f73f353eea915499604fbf50c8238b4",
              "status": "affected",
              "version": "a36a7fecfe6071732075ad5aa31196adce13181b",
              "versionType": "git"
            },
            {
              "lessThan": "2437513a814b3e93bd02879740a8a06e52e2cf7d",
              "status": "affected",
              "version": "a36a7fecfe6071732075ad5aa31196adce13181b",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/acpi/processor_idle.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.8"
            },
            {
              "lessThan": "4.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.297",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.241",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.190",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.297",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.241",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.190",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.16",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.2",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor: idle: Check acpi_fetch_acpi_dev() return value\n\nThe return value of acpi_fetch_acpi_dev() could be NULL, which would\ncause a NULL pointer dereference to occur in acpi_device_hid().\n\n[ rjw: Subject and changelog edits, added empty line after if () ]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:17:18.629Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9"
        },
        {
          "url": "https://git.kernel.org/stable/c/fdee7a0acc566c4194d40a501b8a1584e86cc208"
        },
        {
          "url": "https://git.kernel.org/stable/c/ad1190744da9d812da55b76f2afce750afb0a3bd"
        },
        {
          "url": "https://git.kernel.org/stable/c/2ecd629c788bbfb96be058edade2e934d3763eaf"
        },
        {
          "url": "https://git.kernel.org/stable/c/b85f0e292f73f353eea915499604fbf50c8238b4"
        },
        {
          "url": "https://git.kernel.org/stable/c/2437513a814b3e93bd02879740a8a06e52e2cf7d"
        }
      ],
      "title": "ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50327",
    "datePublished": "2025-09-15T14:49:26.711Z",
    "dateReserved": "2025-09-15T14:18:36.815Z",
    "dateUpdated": "2026-05-11T19:17:18.629Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-50327",
      "date": "2026-05-20",
      "epss": "0.00027",
      "percentile": "0.07748"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50327\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-09-15T15:15:44.827\",\"lastModified\":\"2026-01-16T20:07:10.330\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nACPI: processor: idle: Check acpi_fetch_acpi_dev() return value\\n\\nThe return value of acpi_fetch_acpi_dev() could be NULL, which would\\ncause a NULL pointer dereference to occur in acpi_device_hid().\\n\\n[ rjw: Subject and changelog edits, added empty line after if () ]\"}],\"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\":\"4.8\",\"versionEndExcluding\":\"5.4.297\",\"matchCriteriaId\":\"D3E65573-3126-4085-8D6E-6D924A36E2BA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.241\",\"matchCriteriaId\":\"D0D21C35-EB8A-488A-BBF9-403E4817E5DD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.190\",\"matchCriteriaId\":\"AD9E597F-3DDE-4D7E-976C-463D0611F13F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.0.16\",\"matchCriteriaId\":\"C720A569-3D93-4D77-95F6-E2B3A3267D9F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1\",\"versionEndExcluding\":\"6.1.2\",\"matchCriteriaId\":\"77239F4B-6BB2-4B9E-A654-36A52396116C\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA6FEEC2-9F11-4643-8827-749718254FED\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2437513a814b3e93bd02879740a8a06e52e2cf7d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2ecd629c788bbfb96be058edade2e934d3763eaf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ad1190744da9d812da55b76f2afce750afb0a3bd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b85f0e292f73f353eea915499604fbf50c8238b4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fdee7a0acc566c4194d40a501b8a1584e86cc208\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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.