CVE-2024-50269 (GCVE-0-2024-50269)

Vulnerability from cvelistv5 – Published: 2024-11-19 01:30 – Updated: 2026-05-23 15:54
VLAI
Title
usb: musb: sunxi: Fix accessing an released usb phy
Summary
In the Linux kernel, the following vulnerability has been resolved: usb: musb: sunxi: Fix accessing an released usb phy Commit 6ed05c68cbca ("usb: musb: sunxi: Explicitly release USB PHY on exit") will cause that usb phy @glue->xceiv is accessed after released. 1) register platform driver @sunxi_musb_driver // get the usb phy @glue->xceiv sunxi_musb_probe() -> devm_usb_get_phy(). 2) register and unregister platform driver @musb_driver musb_probe() -> sunxi_musb_init() use the phy here //the phy is released here musb_remove() -> sunxi_musb_exit() -> devm_usb_put_phy() 3) register @musb_driver again musb_probe() -> sunxi_musb_init() use the phy here but the phy has been released at 2). ... Fixed by reverting the commit, namely, removing devm_usb_put_phy() from sunxi_musb_exit().
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:15 UTC
CWE
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7033 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 6ed05c68cbcae42cd52b8e53b66952bfa9c002ce , < 721ddad945596220c123eb6f7126729fe277ee4f (git)
Affected: 6ed05c68cbcae42cd52b8e53b66952bfa9c002ce , < 4aa77d5ea9944468e16c3eed15e858fd5de44de1 (git)
Affected: 6ed05c68cbcae42cd52b8e53b66952bfa9c002ce , < 6e2848d1c8c0139161e69ac0a94133e90e9988e8 (git)
Affected: 6ed05c68cbcae42cd52b8e53b66952bfa9c002ce , < 63559ba8077cbadae1c92a65b73ea522bf377dd9 (git)
Affected: 6ed05c68cbcae42cd52b8e53b66952bfa9c002ce , < ccd811c304d2ee56189bfbc49302cb3c44361893 (git)
Affected: 6ed05c68cbcae42cd52b8e53b66952bfa9c002ce , < 8a30da5aa9609663b3e05bcc91a916537f66a4cd (git)
Affected: 6ed05c68cbcae42cd52b8e53b66952bfa9c002ce , < b08baa75b989cf779cbfa0969681f8ba2dc46569 (git)
Affected: 6ed05c68cbcae42cd52b8e53b66952bfa9c002ce , < 498dbd9aea205db9da674994b74c7bf8e18448bd (git)
Affected: 583a4219841d00e96b5de55be160aa7eb7721a4d (git)
Affected: b4ecc15d6f5a13c0bbe2777438e87e321f83faaa (git)
Affected: a2259ebaa933331c53904caf792b619ec42f0da5 (git)
Affected: 4.4.95 , < 4.5 (semver)
Affected: 4.9.59 , < 4.10 (semver)
Affected: 4.13.10 , < 4.14 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 4.14
Unaffected: 0 , < 4.14 (semver)
Unaffected: 4.19.324 , ≤ 4.19.* (semver)
Unaffected: 5.4.286 , ≤ 5.4.* (semver)
Unaffected: 5.10.230 , ≤ 5.10.* (semver)
Unaffected: 5.15.172 , ≤ 5.15.* (semver)
Unaffected: 6.1.117 , ≤ 6.1.* (semver)
Unaffected: 6.6.61 , ≤ 6.6.* (semver)
Unaffected: 6.11.8 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: musb: sunxi: Fix accessing an released usb phy\n\nCommit 6ed05c68cbca (\"usb: musb: sunxi: Explicitly release USB PHY on\nexit\") will cause that usb phy @glue-\u003exceiv is accessed after released.\n\n1) register platform driver @sunxi_musb_driver\n// get the usb phy @glue-\u003exceiv\nsunxi_musb_probe() -\u003e devm_usb_get_phy().\n\n2) register and unregister platform driver @musb_driver\nmusb_probe() -\u003e sunxi_musb_init()\nuse the phy here\n//the phy is released here\nmusb_remove() -\u003e sunxi_musb_exit() -\u003e devm_usb_put_phy()\n\n3) register @musb_driver again\nmusb_probe() -\u003e sunxi_musb_init()\nuse the phy here but the phy has been released at 2).\n...\n\nFixed by reverting the commit, namely, removing devm_usb_put_phy()\nfrom sunxi_musb_exit()."
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: musb: sunxi: Fix accessing an released usb phy\n\nCommit 6ed05c68cbca (\"usb: musb: sunxi: Explicitly release USB PHY on\nexit\") will cause that usb phy @glue-\u003exceiv is accessed after released.\n\n1) register platform driver @sunxi_musb_driver\n// get the usb phy @glue-\u003exceiv\nsunxi_musb_probe() -\u003e devm_usb_get_phy().\n\n2) register and unregister platform driver @musb_driver\nmusb_probe() -\u003e sunxi_musb_init()\nuse the phy here\n//the phy is released here\nmusb_remove() -\u003e sunxi_musb_exit() -\u003e devm_usb_put_phy()\n\n3) register @musb_driver again\nmusb_probe() -\u003e sunxi_musb_init()\nuse the phy here but the phy has been released at 2).\n...\n\nFixed by reverting the commit, namely, removing devm_usb_put_phy()\nfrom sunxi_musb_exit()."
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            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: musb: sunxi: Se solucion\u00f3 el acceso a un usb phy liberado. Commit 6ed05c68cbca (\"usb: musb: sunxi: Liberar expl\u00edcitamente USB PHY al salir\") provocar\u00e1 que se acceda al usb phy @glue-\u0026gt;xceiv despu\u00e9s de su liberaci\u00f3n. 1) registrar el controlador de la plataforma @sunxi_musb_driver // obtener el usb phy @glue-\u0026gt;xceiv sunxi_musb_probe() -\u0026gt; devm_usb_get_phy(). 2) registrar y anular el registro del controlador de la plataforma @musb_driver musb_probe() -\u0026gt; sunxi_musb_init() usa el phy aqu\u00ed //el phy se publica aqu\u00ed musb_remove() -\u0026gt; sunxi_musb_exit() -\u0026gt; devm_usb_put_phy() 3) registrar @musb_driver nuevamente musb_probe() -\u0026gt; sunxi_musb_init() usa el phy aqu\u00ed pero el phy se ha publicado en 2). ... Se solucion\u00f3 revirtiendo el commit, es decir, eliminando devm_usb_put_phy() de sunxi_musb_exit()."
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            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: musb: sunxi: Fix accessing an released usb phy\n\nCommit 6ed05c68cbca (\"usb: musb: sunxi: Explicitly release USB PHY on\nexit\") will cause that usb phy @glue-\u003exceiv is accessed after released.\n\n1) register platform driver @sunxi_musb_driver\n// get the usb phy @glue-\u003exceiv\nsunxi_musb_probe() -\u003e devm_usb_get_phy().\n\n2) register and unregister platform driver @musb_driver\nmusb_probe() -\u003e sunxi_musb_init()\nuse the phy here\n//the phy is released here\nmusb_remove() -\u003e sunxi_musb_exit() -\u003e devm_usb_put_phy()\n\n3) register @musb_driver again\nmusb_probe() -\u003e sunxi_musb_init()\nuse the phy here but the phy has been released at 2).\n...\n\nFixed by reverting the commit, namely, removing devm_usb_put_phy()\nfrom sunxi_musb_exit()."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-05-04T13:00:05.245Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/721ddad945596220c123eb6f7126729fe277ee4f"
            },
            {
              "url": "https://git.kernel.org/stable/c/4aa77d5ea9944468e16c3eed15e858fd5de44de1"
            },
            {
              "url": "https://git.kernel.org/stable/c/6e2848d1c8c0139161e69ac0a94133e90e9988e8"
            },
            {
              "url": "https://git.kernel.org/stable/c/63559ba8077cbadae1c92a65b73ea522bf377dd9"
            },
            {
              "url": "https://git.kernel.org/stable/c/ccd811c304d2ee56189bfbc49302cb3c44361893"
            },
            {
              "url": "https://git.kernel.org/stable/c/8a30da5aa9609663b3e05bcc91a916537f66a4cd"
            },
            {
              "url": "https://git.kernel.org/stable/c/b08baa75b989cf779cbfa0969681f8ba2dc46569"
            },
            {
              "url": "https://git.kernel.org/stable/c/498dbd9aea205db9da674994b74c7bf8e18448bd"
            }
          ],
          "title": "usb: musb: sunxi: Fix accessing an released usb phy",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-50269",
        "datePublished": "2024-11-19T01:30:06.910Z",
        "dateReserved": "2024-10-21T19:36:19.982Z",
        "dateUpdated": "2025-10-01T20:17:23.502Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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