CVE-2022-50019 (GCVE-0-2022-50019)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:01 – Updated: 2026-05-11 19:11
VLAI?
Title
tty: serial: Fix refcount leak bug in ucc_uart.c
Summary
In the Linux kernel, the following vulnerability has been resolved: tty: serial: Fix refcount leak bug in ucc_uart.c In soc_info(), of_find_node_by_type() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
Severity ?
No CVSS data available.
Assigner
Impacted products
Vendor Product Version
Linux Linux Affected: d7584ed2b994a572326650b0c4d2c25961e6f49d , < 8245e7d1d7f75a9255ad1e8146752e5051d528b8 (git)
Affected: d7584ed2b994a572326650b0c4d2c25961e6f49d , < ec56f886f3bf0f15f7a3844d4c025e165b8e8de7 (git)
Affected: d7584ed2b994a572326650b0c4d2c25961e6f49d , < 59bc4c19d53bdac61ec952c01c6e864f5f0f8367 (git)
Affected: d7584ed2b994a572326650b0c4d2c25961e6f49d , < ca3fc1c38e4253bc019881301a28ea60b8b0bca3 (git)
Affected: d7584ed2b994a572326650b0c4d2c25961e6f49d , < 81939c4fbc2d5c754d0f1c1f05149d4b70d751ed (git)
Affected: d7584ed2b994a572326650b0c4d2c25961e6f49d , < 17c32546166d8a7d2579c4b57c8b16241f94a66b (git)
Affected: d7584ed2b994a572326650b0c4d2c25961e6f49d , < f6ed634eedb1a8a6a8cb110a7695c7abb70ffcbf (git)
Affected: d7584ed2b994a572326650b0c4d2c25961e6f49d , < d24d7bb2cd947676f9b71fb944d045e09b8b282f (git)
Create a notification for this product.
Linux Linux Affected: 2.6.25
Unaffected: 0 , < 2.6.25 (semver)
Unaffected: 4.9.326 , ≤ 4.9.* (semver)
Unaffected: 4.14.291 , ≤ 4.14.* (semver)
Unaffected: 4.19.256 , ≤ 4.19.* (semver)
Unaffected: 5.4.211 , ≤ 5.4.* (semver)
Unaffected: 5.10.138 , ≤ 5.10.* (semver)
Unaffected: 5.15.63 , ≤ 5.15.* (semver)
Unaffected: 5.19.4 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/tty/serial/ucc_uart.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "8245e7d1d7f75a9255ad1e8146752e5051d528b8",
              "status": "affected",
              "version": "d7584ed2b994a572326650b0c4d2c25961e6f49d",
              "versionType": "git"
            },
            {
              "lessThan": "ec56f886f3bf0f15f7a3844d4c025e165b8e8de7",
              "status": "affected",
              "version": "d7584ed2b994a572326650b0c4d2c25961e6f49d",
              "versionType": "git"
            },
            {
              "lessThan": "59bc4c19d53bdac61ec952c01c6e864f5f0f8367",
              "status": "affected",
              "version": "d7584ed2b994a572326650b0c4d2c25961e6f49d",
              "versionType": "git"
            },
            {
              "lessThan": "ca3fc1c38e4253bc019881301a28ea60b8b0bca3",
              "status": "affected",
              "version": "d7584ed2b994a572326650b0c4d2c25961e6f49d",
              "versionType": "git"
            },
            {
              "lessThan": "81939c4fbc2d5c754d0f1c1f05149d4b70d751ed",
              "status": "affected",
              "version": "d7584ed2b994a572326650b0c4d2c25961e6f49d",
              "versionType": "git"
            },
            {
              "lessThan": "17c32546166d8a7d2579c4b57c8b16241f94a66b",
              "status": "affected",
              "version": "d7584ed2b994a572326650b0c4d2c25961e6f49d",
              "versionType": "git"
            },
            {
              "lessThan": "f6ed634eedb1a8a6a8cb110a7695c7abb70ffcbf",
              "status": "affected",
              "version": "d7584ed2b994a572326650b0c4d2c25961e6f49d",
              "versionType": "git"
            },
            {
              "lessThan": "d24d7bb2cd947676f9b71fb944d045e09b8b282f",
              "status": "affected",
              "version": "d7584ed2b994a572326650b0c4d2c25961e6f49d",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/tty/serial/ucc_uart.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.25"
            },
            {
              "lessThan": "2.6.25",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.9.*",
              "status": "unaffected",
              "version": "4.9.326",
              "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": "5.10.138",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.63",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.4",
              "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": "4.9.326",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.14.291",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.256",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.211",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.138",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.63",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.4",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: serial: Fix refcount leak bug in ucc_uart.c\n\nIn soc_info(), of_find_node_by_type() will return a node pointer\nwith refcount incremented. We should use of_node_put() when it is\nnot used anymore."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:11:12.898Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8245e7d1d7f75a9255ad1e8146752e5051d528b8"
        },
        {
          "url": "https://git.kernel.org/stable/c/ec56f886f3bf0f15f7a3844d4c025e165b8e8de7"
        },
        {
          "url": "https://git.kernel.org/stable/c/59bc4c19d53bdac61ec952c01c6e864f5f0f8367"
        },
        {
          "url": "https://git.kernel.org/stable/c/ca3fc1c38e4253bc019881301a28ea60b8b0bca3"
        },
        {
          "url": "https://git.kernel.org/stable/c/81939c4fbc2d5c754d0f1c1f05149d4b70d751ed"
        },
        {
          "url": "https://git.kernel.org/stable/c/17c32546166d8a7d2579c4b57c8b16241f94a66b"
        },
        {
          "url": "https://git.kernel.org/stable/c/f6ed634eedb1a8a6a8cb110a7695c7abb70ffcbf"
        },
        {
          "url": "https://git.kernel.org/stable/c/d24d7bb2cd947676f9b71fb944d045e09b8b282f"
        }
      ],
      "title": "tty: serial: Fix refcount leak bug in ucc_uart.c",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50019",
    "datePublished": "2025-06-18T11:01:23.332Z",
    "dateReserved": "2025-06-18T10:57:27.393Z",
    "dateUpdated": "2026-05-11T19:11:12.898Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-50019",
      "date": "2026-05-20",
      "epss": "0.00063",
      "percentile": "0.19534"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50019\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-06-18T11:15:30.030\",\"lastModified\":\"2025-11-13T19:32:07.127\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntty: serial: Fix refcount leak bug in ucc_uart.c\\n\\nIn soc_info(), of_find_node_by_type() will return a node pointer\\nwith refcount incremented. We should use of_node_put() when it is\\nnot used anymore.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tty: serial: Se corrige el error de fuga de refcount en ucc_uart.c. En soc_info(), of_find_node_by_type() devolver\u00e1 un puntero de nodo con refcount incrementado. Deber\u00edamos usar of_node_put() cuando ya no se use.\"}],\"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\":\"2.6.25\",\"versionEndExcluding\":\"4.9.326\",\"matchCriteriaId\":\"0B26114B-CD31-4295-91DA-A080206FEDF3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.10\",\"versionEndExcluding\":\"4.14.291\",\"matchCriteriaId\":\"3BBC7E43-6161-4F21-977C-5BB7792C6C94\"},{\"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\":\"5.10.138\",\"matchCriteriaId\":\"445ACC04-A2BA-4176-B4C9-CA4AA59096D2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.63\",\"matchCriteriaId\":\"D5744A03-DA40-4A78-9063-13179361DC6D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"5.19.4\",\"matchCriteriaId\":\"0E669300-DA42-4ACD-86D8-68BE5F29FB88\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/17c32546166d8a7d2579c4b57c8b16241f94a66b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/59bc4c19d53bdac61ec952c01c6e864f5f0f8367\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/81939c4fbc2d5c754d0f1c1f05149d4b70d751ed\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8245e7d1d7f75a9255ad1e8146752e5051d528b8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ca3fc1c38e4253bc019881301a28ea60b8b0bca3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d24d7bb2cd947676f9b71fb944d045e09b8b282f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ec56f886f3bf0f15f7a3844d4c025e165b8e8de7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f6ed634eedb1a8a6a8cb110a7695c7abb70ffcbf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…
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.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…