CVE-2024-55639 (GCVE-0-2024-55639)

Vulnerability from cvelistv5 – Published: 2025-01-11 12:29 – Updated: 2025-05-04 09:57
VLAI?
Title
net: renesas: rswitch: avoid use-after-put for a device tree node
Summary
In the Linux kernel, the following vulnerability has been resolved: net: renesas: rswitch: avoid use-after-put for a device tree node The device tree node saved in the rswitch_device structure is used at several driver locations. So passing this node to of_node_put() after the first use is wrong. Move of_node_put() for this node to exit paths.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b46f1e5793298c67efc2f1b917350a2cefacf9d6 , < bf8c6755f02029d1eddc3ff19b870240f054afc7 (git)
Affected: b46f1e5793298c67efc2f1b917350a2cefacf9d6 , < 92007a28f95413058a7268dc84e5f44b700165d1 (git)
Affected: b46f1e5793298c67efc2f1b917350a2cefacf9d6 , < 66b7e9f85b8459c823b11e9af69dbf4be5eb6be8 (git)
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    Linux Linux Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 6.6.67 , ≤ 6.6.* (semver)
Unaffected: 6.12.6 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/renesas/rswitch.c"
          ],
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              "versionType": "git"
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              ],
              "negate": false,
              "operator": "OR"
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          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: renesas: rswitch: avoid use-after-put for a device tree node\n\nThe device tree node saved in the rswitch_device structure is used at\nseveral driver locations. So passing this node to of_node_put() after\nthe first use is wrong.\n\nMove of_node_put() for this node to exit paths."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T09:57:11.827Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/bf8c6755f02029d1eddc3ff19b870240f054afc7"
        },
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          "url": "https://git.kernel.org/stable/c/92007a28f95413058a7268dc84e5f44b700165d1"
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        {
          "url": "https://git.kernel.org/stable/c/66b7e9f85b8459c823b11e9af69dbf4be5eb6be8"
        }
      ],
      "title": "net: renesas: rswitch: avoid use-after-put for a device tree node",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-55639",
    "datePublished": "2025-01-11T12:29:55.309Z",
    "dateReserved": "2025-01-09T09:51:32.415Z",
    "dateUpdated": "2025-05-04T09:57:11.827Z",
    "state": "PUBLISHED"
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}


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  • 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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  • 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.



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