CVE-2022-49346 (GCVE-0-2022-49346)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:11 – Updated: 2026-05-11 18:57
VLAI
Title
net: dsa: lantiq_gswip: Fix refcount leak in gswip_gphy_fw_list
Summary
In the Linux kernel, the following vulnerability has been resolved: net: dsa: lantiq_gswip: Fix refcount leak in gswip_gphy_fw_list Every iteration of for_each_available_child_of_node() decrements the reference count of the previous node. when breaking early from a for_each_available_child_of_node() loop, we need to explicitly call of_node_put() on the gphy_fw_np. Add missing of_node_put() 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
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 19:42 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 14fceff4771e51b23b4485b575cf9e5b3414b89b , < 7c8df6fad43d9d5d77f281f794b2a93cd02fd1a9 (git)
Affected: 14fceff4771e51b23b4485b575cf9e5b3414b89b , < c2ae49a113a5344232f1ebb93bcf18bbd11e9c39 (git)
Affected: 14fceff4771e51b23b4485b575cf9e5b3414b89b , < 54d6802c4d83fa8de7696cfec06f475d5fd92d27 (git)
Affected: 14fceff4771e51b23b4485b575cf9e5b3414b89b , < 32cd78c5610f02a929f63cac985e73692d05f33e (git)
Affected: 14fceff4771e51b23b4485b575cf9e5b3414b89b , < 2e007ac6fa7c9c94ad84da075c5c504afad690a0 (git)
Affected: 14fceff4771e51b23b4485b575cf9e5b3414b89b , < 0737e018a05e2aa352828c52bdeed3b02cff2930 (git)
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Linux Linux Affected: 4.20
Unaffected: 0 , < 4.20 (semver)
Unaffected: 5.4.198 , ≤ 5.4.* (semver)
Unaffected: 5.10.122 , ≤ 5.10.* (semver)
Unaffected: 5.15.47 , ≤ 5.15.* (semver)
Unaffected: 5.17.15 , ≤ 5.17.* (semver)
Unaffected: 5.18.4 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
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      "current_release_date": "2026-06-29T21:04:53+00:00",
      "cve": "CVE-2022-49346",
      "id": "CVE-2022-49346",
      "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: net: dsa: lantiq_gswip: Fix refcount leak in gswip_gphy_fw_list",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49346.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-05T00:56:34Z",
      "cve": "CVE-2022-49346",
      "id": "CVE-2022-49346",
      "initial_release_date": "2025-02-27T03:08:24Z",
      "product_status:known_affected": "403",
      "product_status:known_not_affected": "332",
      "product_status:recommended": "223",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49346",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49346.json",
      "version": "50"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "LOCAL",
                  "availabilityImpact": "HIGH",
                  "baseScore": 5.5,
                  "baseSeverity": "MEDIUM",
                  "confidentialityImpact": "NONE",
                  "integrityImpact": "NONE",
                  "privilegesRequired": "LOW",
                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2022-49346",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-10-01T19:42:55.975462Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "description": "CWE-noinfo Not enough information",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-10-01T16:16:21.636Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/net/dsa/lantiq_gswip.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "7c8df6fad43d9d5d77f281f794b2a93cd02fd1a9",
                  "status": "affected",
                  "version": "14fceff4771e51b23b4485b575cf9e5b3414b89b",
                  "versionType": "git"
                },
                {
                  "lessThan": "c2ae49a113a5344232f1ebb93bcf18bbd11e9c39",
                  "status": "affected",
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                  "versionType": "git"
                },
                {
                  "lessThan": "54d6802c4d83fa8de7696cfec06f475d5fd92d27",
                  "status": "affected",
                  "version": "14fceff4771e51b23b4485b575cf9e5b3414b89b",
                  "versionType": "git"
                },
                {
                  "lessThan": "32cd78c5610f02a929f63cac985e73692d05f33e",
                  "status": "affected",
                  "version": "14fceff4771e51b23b4485b575cf9e5b3414b89b",
                  "versionType": "git"
                },
                {
                  "lessThan": "2e007ac6fa7c9c94ad84da075c5c504afad690a0",
                  "status": "affected",
                  "version": "14fceff4771e51b23b4485b575cf9e5b3414b89b",
                  "versionType": "git"
                },
                {
                  "lessThan": "0737e018a05e2aa352828c52bdeed3b02cff2930",
                  "status": "affected",
                  "version": "14fceff4771e51b23b4485b575cf9e5b3414b89b",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/net/dsa/lantiq_gswip.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "4.20"
                },
                {
                  "lessThan": "4.20",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.4.*",
                  "status": "unaffected",
                  "version": "5.4.198",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.122",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.47",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.17.*",
                  "status": "unaffected",
                  "version": "5.17.15",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.18.*",
                  "status": "unaffected",
                  "version": "5.18.4",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "5.19",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.4.198",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.122",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.47",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.17.15",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.18.4",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.19",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: lantiq_gswip: Fix refcount leak in gswip_gphy_fw_list\n\nEvery iteration of for_each_available_child_of_node() decrements\nthe reference count of the previous node.\nwhen breaking early from a for_each_available_child_of_node() loop,\nwe need to explicitly call of_node_put() on the gphy_fw_np.\nAdd missing of_node_put() to avoid refcount leak."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T18:57:55.322Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/7c8df6fad43d9d5d77f281f794b2a93cd02fd1a9"
            },
            {
              "url": "https://git.kernel.org/stable/c/c2ae49a113a5344232f1ebb93bcf18bbd11e9c39"
            },
            {
              "url": "https://git.kernel.org/stable/c/54d6802c4d83fa8de7696cfec06f475d5fd92d27"
            },
            {
              "url": "https://git.kernel.org/stable/c/32cd78c5610f02a929f63cac985e73692d05f33e"
            },
            {
              "url": "https://git.kernel.org/stable/c/2e007ac6fa7c9c94ad84da075c5c504afad690a0"
            },
            {
              "url": "https://git.kernel.org/stable/c/0737e018a05e2aa352828c52bdeed3b02cff2930"
            }
          ],
          "title": "net: dsa: lantiq_gswip: Fix refcount leak in gswip_gphy_fw_list",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2022-49346",
        "datePublished": "2025-02-26T02:11:01.485Z",
        "dateReserved": "2025-02-26T02:08:31.543Z",
        "dateUpdated": "2026-05-11T18:57:55.322Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.