CVE-2022-49437 (GCVE-0-2022-49437)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:12 – Updated: 2025-10-01 19:46
VLAI?
Title
powerpc/xive: Fix refcount leak in xive_spapr_init
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: Fix refcount leak in xive_spapr_init of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. 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
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: eac1e731b59ee3b5f5e641a7765c7ed41ed26226 , < 65f11ccdd746e0e7f0b469cc989ba43d4f30ecfe (git)
Affected: eac1e731b59ee3b5f5e641a7765c7ed41ed26226 , < 6e806485d851986a2445267608f27cb4ba2ed774 (git)
Affected: eac1e731b59ee3b5f5e641a7765c7ed41ed26226 , < cc62dde2a5f4ba14016fd9caec76f08d388f4b9c (git)
Affected: eac1e731b59ee3b5f5e641a7765c7ed41ed26226 , < 1d1fb9618bdd5a5fbf9a9eb75133da301d33721c (git)
Create a notification for this product.
    Linux Linux Affected: 4.14
Unaffected: 0 , < 4.14 (semver)
Unaffected: 5.15.46 , ≤ 5.15.* (semver)
Unaffected: 5.17.14 , ≤ 5.17.* (semver)
Unaffected: 5.18.3 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "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-2022-49437",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T19:41:05.966582Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "description": "CWE-noinfo Not enough information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-01T19:46:49.892Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/sysdev/xive/spapr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "65f11ccdd746e0e7f0b469cc989ba43d4f30ecfe",
              "status": "affected",
              "version": "eac1e731b59ee3b5f5e641a7765c7ed41ed26226",
              "versionType": "git"
            },
            {
              "lessThan": "6e806485d851986a2445267608f27cb4ba2ed774",
              "status": "affected",
              "version": "eac1e731b59ee3b5f5e641a7765c7ed41ed26226",
              "versionType": "git"
            },
            {
              "lessThan": "cc62dde2a5f4ba14016fd9caec76f08d388f4b9c",
              "status": "affected",
              "version": "eac1e731b59ee3b5f5e641a7765c7ed41ed26226",
              "versionType": "git"
            },
            {
              "lessThan": "1d1fb9618bdd5a5fbf9a9eb75133da301d33721c",
              "status": "affected",
              "version": "eac1e731b59ee3b5f5e641a7765c7ed41ed26226",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/sysdev/xive/spapr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.14"
            },
            {
              "lessThan": "4.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.46",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.17.*",
              "status": "unaffected",
              "version": "5.17.14",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.18.*",
              "status": "unaffected",
              "version": "5.18.3",
              "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": "5.15.46",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.17.14",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18.3",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/xive: Fix refcount leak in xive_spapr_init\n\nof_find_compatible_node() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when done.\nAdd missing of_node_put() to avoid refcount leak."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:37:38.780Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/65f11ccdd746e0e7f0b469cc989ba43d4f30ecfe"
        },
        {
          "url": "https://git.kernel.org/stable/c/6e806485d851986a2445267608f27cb4ba2ed774"
        },
        {
          "url": "https://git.kernel.org/stable/c/cc62dde2a5f4ba14016fd9caec76f08d388f4b9c"
        },
        {
          "url": "https://git.kernel.org/stable/c/1d1fb9618bdd5a5fbf9a9eb75133da301d33721c"
        }
      ],
      "title": "powerpc/xive: Fix refcount leak in xive_spapr_init",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49437",
    "datePublished": "2025-02-26T02:12:52.524Z",
    "dateReserved": "2025-02-26T02:08:31.570Z",
    "dateUpdated": "2025-10-01T19:46:49.892Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.