CVE-2022-50106 (GCVE-0-2022-50106)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:02 – Updated: 2026-05-11 19:12
VLAI
Title
powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address of_get_next_parent() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() in the error path to avoid refcount leak.
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
Linux Linux Affected: ce21b3c9648ae55181787bf25ee00cf91dfd5c91 , < 6263ec8032c411b8ef6b7f00198cb18c855ee6cb (git)
Affected: ce21b3c9648ae55181787bf25ee00cf91dfd5c91 , < 51cf876b11fb6ca06f69e9d1de58f892d1522e9d (git)
Affected: ce21b3c9648ae55181787bf25ee00cf91dfd5c91 , < f388643657cd5a04dc47a68d85321876c5b4c208 (git)
Affected: ce21b3c9648ae55181787bf25ee00cf91dfd5c91 , < 00dc7cbbb558955ff410fd392cc9b0366eb06df0 (git)
Affected: ce21b3c9648ae55181787bf25ee00cf91dfd5c91 , < 5eaa93caa63abf382b319dbe2f032232026740c2 (git)
Affected: ce21b3c9648ae55181787bf25ee00cf91dfd5c91 , < 02ed44125d7a7238999750ca126b60f8dd7a88b1 (git)
Affected: ce21b3c9648ae55181787bf25ee00cf91dfd5c91 , < af41cff4ada533b1cf40de6c468ba164fd32c22d (git)
Affected: ce21b3c9648ae55181787bf25ee00cf91dfd5c91 , < df5d4b616ee76abc97e5bd348e22659c2b095b1c (git)
Create a notification for this product.
Linux Linux Affected: 2.6.23
Unaffected: 0 , < 2.6.23 (semver)
Unaffected: 4.14.291 , ≤ 4.14.* (semver)
Unaffected: 4.19.256 , ≤ 4.19.* (semver)
Unaffected: 5.4.211 , ≤ 5.4.* (semver)
Unaffected: 5.10.137 , ≤ 5.10.* (semver)
Unaffected: 5.15.61 , ≤ 5.15.* (semver)
Unaffected: 5.18.18 , ≤ 5.18.* (semver)
Unaffected: 5.19.2 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/platforms/cell/axon_msi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6263ec8032c411b8ef6b7f00198cb18c855ee6cb",
              "status": "affected",
              "version": "ce21b3c9648ae55181787bf25ee00cf91dfd5c91",
              "versionType": "git"
            },
            {
              "lessThan": "51cf876b11fb6ca06f69e9d1de58f892d1522e9d",
              "status": "affected",
              "version": "ce21b3c9648ae55181787bf25ee00cf91dfd5c91",
              "versionType": "git"
            },
            {
              "lessThan": "f388643657cd5a04dc47a68d85321876c5b4c208",
              "status": "affected",
              "version": "ce21b3c9648ae55181787bf25ee00cf91dfd5c91",
              "versionType": "git"
            },
            {
              "lessThan": "00dc7cbbb558955ff410fd392cc9b0366eb06df0",
              "status": "affected",
              "version": "ce21b3c9648ae55181787bf25ee00cf91dfd5c91",
              "versionType": "git"
            },
            {
              "lessThan": "5eaa93caa63abf382b319dbe2f032232026740c2",
              "status": "affected",
              "version": "ce21b3c9648ae55181787bf25ee00cf91dfd5c91",
              "versionType": "git"
            },
            {
              "lessThan": "02ed44125d7a7238999750ca126b60f8dd7a88b1",
              "status": "affected",
              "version": "ce21b3c9648ae55181787bf25ee00cf91dfd5c91",
              "versionType": "git"
            },
            {
              "lessThan": "af41cff4ada533b1cf40de6c468ba164fd32c22d",
              "status": "affected",
              "version": "ce21b3c9648ae55181787bf25ee00cf91dfd5c91",
              "versionType": "git"
            },
            {
              "lessThan": "df5d4b616ee76abc97e5bd348e22659c2b095b1c",
              "status": "affected",
              "version": "ce21b3c9648ae55181787bf25ee00cf91dfd5c91",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/platforms/cell/axon_msi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.23"
            },
            {
              "lessThan": "2.6.23",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.291",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.256",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.211",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.137",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.61",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.18.*",
              "status": "unaffected",
              "version": "5.18.18",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.291",
                  "versionStartIncluding": "2.6.23",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.256",
                  "versionStartIncluding": "2.6.23",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.211",
                  "versionStartIncluding": "2.6.23",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.137",
                  "versionStartIncluding": "2.6.23",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.61",
                  "versionStartIncluding": "2.6.23",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18.18",
                  "versionStartIncluding": "2.6.23",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.2",
                  "versionStartIncluding": "2.6.23",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "2.6.23",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address\n\nof_get_next_parent() returns a node pointer with refcount incremented,\nwe should use of_node_put() on it when not need anymore.\nAdd missing of_node_put() in the error path to avoid refcount leak."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:12:57.143Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/6263ec8032c411b8ef6b7f00198cb18c855ee6cb"
        },
        {
          "url": "https://git.kernel.org/stable/c/51cf876b11fb6ca06f69e9d1de58f892d1522e9d"
        },
        {
          "url": "https://git.kernel.org/stable/c/f388643657cd5a04dc47a68d85321876c5b4c208"
        },
        {
          "url": "https://git.kernel.org/stable/c/00dc7cbbb558955ff410fd392cc9b0366eb06df0"
        },
        {
          "url": "https://git.kernel.org/stable/c/5eaa93caa63abf382b319dbe2f032232026740c2"
        },
        {
          "url": "https://git.kernel.org/stable/c/02ed44125d7a7238999750ca126b60f8dd7a88b1"
        },
        {
          "url": "https://git.kernel.org/stable/c/af41cff4ada533b1cf40de6c468ba164fd32c22d"
        },
        {
          "url": "https://git.kernel.org/stable/c/df5d4b616ee76abc97e5bd348e22659c2b095b1c"
        }
      ],
      "title": "powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50106",
    "datePublished": "2025-06-18T11:02:40.748Z",
    "dateReserved": "2025-06-18T10:57:27.413Z",
    "dateUpdated": "2026-05-11T19:12:57.143Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-50106",
      "date": "2026-07-17",
      "epss": "0.00163",
      "percentile": "0.05871"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50106\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-06-18T11:15:40.023\",\"lastModified\":\"2026-06-17T05:22:46.387\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\npowerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address\\n\\nof_get_next_parent() returns a node pointer with refcount incremented,\\nwe should use of_node_put() on it when not need anymore.\\nAdd missing of_node_put() in the error path to avoid refcount leak.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: powerpc/cell/axon_msi: Se corrige la fuga de recuento de referencias en setup_msi_msg_address. of_get_next_parent() devuelve un puntero de nodo con el recuento de referencias incrementado. Debemos usar of_node_put() cuando ya no sea necesario. Agregue la falta de of_node_put() en la ruta de error para evitar la fuga de recuento de referencias.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"arch/powerpc/platforms/cell/axon_msi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"ce21b3c9648ae55181787bf25ee00cf91dfd5c91\",\"lessThan\":\"6263ec8032c411b8ef6b7f00198cb18c855ee6cb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ce21b3c9648ae55181787bf25ee00cf91dfd5c91\",\"lessThan\":\"51cf876b11fb6ca06f69e9d1de58f892d1522e9d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ce21b3c9648ae55181787bf25ee00cf91dfd5c91\",\"lessThan\":\"f388643657cd5a04dc47a68d85321876c5b4c208\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ce21b3c9648ae55181787bf25ee00cf91dfd5c91\",\"lessThan\":\"00dc7cbbb558955ff410fd392cc9b0366eb06df0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ce21b3c9648ae55181787bf25ee00cf91dfd5c91\",\"lessThan\":\"5eaa93caa63abf382b319dbe2f032232026740c2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ce21b3c9648ae55181787bf25ee00cf91dfd5c91\",\"lessThan\":\"02ed44125d7a7238999750ca126b60f8dd7a88b1\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ce21b3c9648ae55181787bf25ee00cf91dfd5c91\",\"lessThan\":\"af41cff4ada533b1cf40de6c468ba164fd32c22d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ce21b3c9648ae55181787bf25ee00cf91dfd5c91\",\"lessThan\":\"df5d4b616ee76abc97e5bd348e22659c2b095b1c\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"arch/powerpc/platforms/cell/axon_msi.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2.6.23\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"2.6.23\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.14.291\",\"lessThanOrEqual\":\"4.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.256\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.211\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.137\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.61\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.18.18\",\"lessThanOrEqual\":\"5.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.19.2\",\"lessThanOrEqual\":\"5.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.0\",\"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\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.23\",\"versionEndExcluding\":\"4.14.291\",\"matchCriteriaId\":\"E7BCE1B0-E6E8-4E6B-9EB7-183CD2522BC4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.256\",\"matchCriteriaId\":\"6C47CDE3-B039-4AE5-B8E4-1DC820E473FF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.211\",\"matchCriteriaId\":\"B1C63D19-C08C-4308-A848-B2523C9275BD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.137\",\"matchCriteriaId\":\"C2BF720F-C5EE-4DE2-9BDF-CE4CFBC767F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.61\",\"matchCriteriaId\":\"51861563-7F40-460F-82CD-2D3FBDAD6618\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.18.18\",\"matchCriteriaId\":\"5B42E453-8837-49D0-A5EF-03F818A6DC11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.19\",\"versionEndExcluding\":\"5.19.2\",\"matchCriteriaId\":\"A1A2A5A5-4598-4D7E-BA07-4660398D6C8F\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/00dc7cbbb558955ff410fd392cc9b0366eb06df0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/02ed44125d7a7238999750ca126b60f8dd7a88b1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/51cf876b11fb6ca06f69e9d1de58f892d1522e9d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5eaa93caa63abf382b319dbe2f032232026740c2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6263ec8032c411b8ef6b7f00198cb18c855ee6cb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/af41cff4ada533b1cf40de6c468ba164fd32c22d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/df5d4b616ee76abc97e5bd348e22659c2b095b1c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f388643657cd5a04dc47a68d85321876c5b4c208\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:21:04+00:00",
      "cve": "CVE-2022-50106",
      "id": "CVE-2022-50106",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50106.json",
      "version": "3"
    }
  }
}