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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 CPE status
Linux Linux Affected: 93a76530316a3d8cc2d82c3deca48424fee92100 , < f7ba2cc57f404d2d9f26fb85bd3833d35a477829 (git)
Affected: 93a76530316a3d8cc2d82c3deca48424fee92100 , < a4b7ef3b159805ba6be061d0cd2403d84b9b0063 (git)
Affected: 93a76530316a3d8cc2d82c3deca48424fee92100 , < 78aca10a16f001c9f49f1cc4dadfee8d444bb173 (git)
Affected: 93a76530316a3d8cc2d82c3deca48424fee92100 , < 2e44f21c384503562713b7d3b673c40bed20af3d (git)
Affected: 93a76530316a3d8cc2d82c3deca48424fee92100 , < 5dd89d2fc438457811cbbec07999ce0d80051ff5 (git)
guessed 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)
guessed Create a notification for this product.
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\"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T16:46:11.062Z\"}}], \"cna\": {\"title\": \"net: ethernet: ti: am65-cpsw-nuss: Fix some refcount leaks\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"93a76530316a3d8cc2d82c3deca48424fee92100\", \"lessThan\": \"f7ba2cc57f404d2d9f26fb85bd3833d35a477829\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"93a76530316a3d8cc2d82c3deca48424fee92100\", \"lessThan\": \"a4b7ef3b159805ba6be061d0cd2403d84b9b0063\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"93a76530316a3d8cc2d82c3deca48424fee92100\", \"lessThan\": \"78aca10a16f001c9f49f1cc4dadfee8d444bb173\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"93a76530316a3d8cc2d82c3deca48424fee92100\", \"lessThan\": \"2e44f21c384503562713b7d3b673c40bed20af3d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"93a76530316a3d8cc2d82c3deca48424fee92100\", \"lessThan\": \"5dd89d2fc438457811cbbec07999ce0d80051ff5\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/ethernet/ti/am65-cpsw-nuss.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.7\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.122\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.47\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.17.15\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.17.*\"}, {\"status\": \"unaffected\", \"version\": \"5.18.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.18.*\"}, {\"status\": \"unaffected\", \"version\": \"5.19\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/ethernet/ti/am65-cpsw-nuss.c\"], \"defaultStatus\": \"affected\"}], \"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\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.122\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.47\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.17.15\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.18.4\", \"versionStartIncluding\": \"5.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19\", \"versionStartIncluding\": \"5.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T18:58:41.448Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-49386\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T18:58:41.448Z\", \"dateReserved\": \"2025-02-26T02:08:31.560Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-02-26T02:11:21.197Z\", \"assignerShortName\": \"Linux\"}",
      "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

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.


Detection rules are retrieved from Rulezet.