CVE-2022-49678 (GCVE-0-2022-49678)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:24 – Updated: 2026-05-11 19:04
VLAI
Title
soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe
Summary
In the Linux kernel, the following vulnerability has been resolved: soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. In brcmstb_init_sram, it pass dn to of_address_to_resource(), of_address_to_resource() will call of_find_device_by_node() to take reference, so we should release the reference returned by of_find_matching_node().
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 19:33 UTC
CWE
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7061 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0b741b8234c86065fb6954d32d427b3f7e14756f , < 4f5877bdf7b593e988f1924f4c3df6523f80b39c (git)
Affected: 0b741b8234c86065fb6954d32d427b3f7e14756f , < 734a4d15142bb4c8ecad2d8ec70d7564e78ae34d (git)
Affected: 0b741b8234c86065fb6954d32d427b3f7e14756f , < 30bbfeb480ae8b5ee43199d72417b232590440c2 (git)
Affected: 0b741b8234c86065fb6954d32d427b3f7e14756f , < 10ba9d499a9fd82ed40897e734ba19870a879407 (git)
Affected: 0b741b8234c86065fb6954d32d427b3f7e14756f , < dcafd5463d8f20c4f90ddc138a5738adb99f74c8 (git)
Affected: 0b741b8234c86065fb6954d32d427b3f7e14756f , < 37d838de369b07b596c19ff3662bf0293fdb09ee (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 4.19.250 , ≤ 4.19.* (semver)
Unaffected: 5.4.202 , ≤ 5.4.* (semver)
Unaffected: 5.10.127 , ≤ 5.10.* (semver)
Unaffected: 5.15.51 , ≤ 5.15.* (semver)
Unaffected: 5.18.8 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/734a4d15142bb4c8ecad2d8ec70d7564e78ae34d"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/dcafd5463d8f20c4f90ddc138a5738adb99f74c8"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-Other"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:38:48+00:00",
      "cve": "CVE-2022-49678",
      "id": "CVE-2022-49678",
      "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: soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49678.json",
      "version": "3"
    }
  }
}



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