CVE-2022-49386 (GCVE-0-2022-49386)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:11 – Updated: 2026-05-11 18:58
VLAI
Title
net: ethernet: ti: am65-cpsw-nuss: Fix some refcount leaks
Summary
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw-nuss: Fix some refcount leaks of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. am65_cpsw_init_cpts() and am65_cpsw_nuss_probe() don't release the refcount in error case. 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 19:41 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 93a76530316a3d8cc2d82c3deca48424fee92100 , < f7ba2cc57f404d2d9f26fb85bd3833d35a477829 (git)
Affected: 93a76530316a3d8cc2d82c3deca48424fee92100 , < a4b7ef3b159805ba6be061d0cd2403d84b9b0063 (git)
Affected: 93a76530316a3d8cc2d82c3deca48424fee92100 , < 78aca10a16f001c9f49f1cc4dadfee8d444bb173 (git)
Affected: 93a76530316a3d8cc2d82c3deca48424fee92100 , < 2e44f21c384503562713b7d3b673c40bed20af3d (git)
Affected: 93a76530316a3d8cc2d82c3deca48424fee92100 , < 5dd89d2fc438457811cbbec07999ce0d80051ff5 (git)
Create a notification for this product.
Linux Linux Affected: 5.7
Unaffected: 0 , < 5.7 (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)
Create a notification for this product.
Show details on NVD website
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              "versions": [
                {
                  "lessThan": "f7ba2cc57f404d2d9f26fb85bd3833d35a477829",
                  "status": "affected",
                  "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                  "versionType": "git"
                },
                {
                  "lessThan": "a4b7ef3b159805ba6be061d0cd2403d84b9b0063",
                  "status": "affected",
                  "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                  "versionType": "git"
                },
                {
                  "lessThan": "78aca10a16f001c9f49f1cc4dadfee8d444bb173",
                  "status": "affected",
                  "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                  "versionType": "git"
                },
                {
                  "lessThan": "2e44f21c384503562713b7d3b673c40bed20af3d",
                  "status": "affected",
                  "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                  "versionType": "git"
                },
                {
                  "lessThan": "5dd89d2fc438457811cbbec07999ce0d80051ff5",
                  "status": "affected",
                  "version": "93a76530316a3d8cc2d82c3deca48424fee92100",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/net/ethernet/ti/am65-cpsw-nuss.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "5.7"
                },
                {
                  "lessThan": "5.7",
                  "status": "unaffected",
                  "version": "0",
                  "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": "5.10.122",
                      "versionStartIncluding": "5.7",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.47",
                      "versionStartIncluding": "5.7",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.17.15",
                      "versionStartIncluding": "5.7",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.18.4",
                      "versionStartIncluding": "5.7",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.19",
                      "versionStartIncluding": "5.7",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: ti: am65-cpsw-nuss: Fix some refcount leaks\n\nof_get_child_by_name() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\nam65_cpsw_init_cpts() and am65_cpsw_nuss_probe() don\u0027t release\nthe refcount in error case.\nAdd missing of_node_put() to avoid refcount leak."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T18:58:41.448Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/f7ba2cc57f404d2d9f26fb85bd3833d35a477829"
            },
            {
              "url": "https://git.kernel.org/stable/c/a4b7ef3b159805ba6be061d0cd2403d84b9b0063"
            },
            {
              "url": "https://git.kernel.org/stable/c/78aca10a16f001c9f49f1cc4dadfee8d444bb173"
            },
            {
              "url": "https://git.kernel.org/stable/c/2e44f21c384503562713b7d3b673c40bed20af3d"
            },
            {
              "url": "https://git.kernel.org/stable/c/5dd89d2fc438457811cbbec07999ce0d80051ff5"
            }
          ],
          "title": "net: ethernet: ti: am65-cpsw-nuss: Fix some refcount leaks",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2022-49386",
        "datePublished": "2025-02-26T02:11:21.197Z",
        "dateReserved": "2025-02-26T02:08:31.560Z",
        "dateUpdated": "2026-05-11T18:58:41.448Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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

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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.
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  • 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.



Related by attack behaviour

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.