cve-2024-26749
Vulnerability from cvelistv5
Published
2024-04-03 17:00
Modified
2024-11-05 09:15
Severity ?
Summary
usb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2134e9906e17b1e5284300fab547869ebacfd7d9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/29e42e1578a10c611b3f1a38f3229b2d664b5d16
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4e5c73b15d95452c1ba9c771dd013a3fbe052ff3
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9a07244f614bc417de527b799da779dcae780b5d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b40328eea93c75a5645891408010141a0159f643
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cd45f99034b0c8c9cb346dd0d6407a95ca3d36f6
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cfa9abb5570c489dabf6f7fb3a066cc576fc8824
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()\n\n  ...\n  cdns3_gadget_ep_free_request(\u0026priv_ep-\u003eendpoint, \u0026priv_req-\u003erequest);\n  list_del_init(\u0026priv_req-\u003elist);\n  ...\n\n\u0027priv_req\u0027 actually free at cdns3_gadget_ep_free_request(). But\nlist_del_init() use priv_req-\u003elist after it.\n\n[ 1542.642868][  T534] BUG: KFENCE: use-after-free read in __list_del_entry_valid+0x10/0xd4\n[ 1542.642868][  T534]\n[ 1542.653162][  T534] Use-after-free read at 0x000000009ed0ba99 (in kfence-#3):\n[ 1542.660311][  T534]  __list_del_entry_valid+0x10/0xd4\n[ 1542.665375][  T534]  cdns3_gadget_ep_disable+0x1f8/0x388 [cdns3]\n[ 1542.671571][  T534]  usb_ep_disable+0x44/0xe4\n[ 1542.675948][  T534]  ffs_func_eps_disable+0x64/0xc8\n[ 1542.680839][  T534]  ffs_func_set_alt+0x74/0x368\n[ 1542.685478][  T534]  ffs_func_disable+0x18/0x28\n\nMove list_del_init() before cdns3_gadget_ep_free_request() to resolve this\nproblem."
        }
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    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26749",
    "datePublished": "2024-04-03T17:00:35.762Z",
    "dateReserved": "2024-02-19T14:20:24.169Z",
    "dateUpdated": "2024-11-05T09:15:02.583Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26749\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-03T17:15:51.780\",\"lastModified\":\"2024-11-05T10:15:46.717\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nusb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()\\n\\n  ...\\n  cdns3_gadget_ep_free_request(\u0026priv_ep-\u003eendpoint, \u0026priv_req-\u003erequest);\\n  list_del_init(\u0026priv_req-\u003elist);\\n  ...\\n\\n\u0027priv_req\u0027 actually free at cdns3_gadget_ep_free_request(). But\\nlist_del_init() use priv_req-\u003elist after it.\\n\\n[ 1542.642868][  T534] BUG: KFENCE: use-after-free read in __list_del_entry_valid+0x10/0xd4\\n[ 1542.642868][  T534]\\n[ 1542.653162][  T534] Use-after-free read at 0x000000009ed0ba99 (in kfence-#3):\\n[ 1542.660311][  T534]  __list_del_entry_valid+0x10/0xd4\\n[ 1542.665375][  T534]  cdns3_gadget_ep_disable+0x1f8/0x388 [cdns3]\\n[ 1542.671571][  T534]  usb_ep_disable+0x44/0xe4\\n[ 1542.675948][  T534]  ffs_func_eps_disable+0x64/0xc8\\n[ 1542.680839][  T534]  ffs_func_set_alt+0x74/0x368\\n[ 1542.685478][  T534]  ffs_func_disable+0x18/0x28\\n\\nMove list_del_init() before cdns3_gadget_ep_free_request() to resolve this\\nproblem.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: usb: cdns3: uso de memoria fijo despu\u00e9s de liberar en cdns3_gadget_ep_disable() ... cdns3_gadget_ep_free_request(\u0026amp;priv_ep-\u0026gt;endpoint, \u0026amp;priv_req-\u0026gt;request); list_del_init(\u0026amp;priv_req-\u0026gt;lista); ... \u0027priv_req\u0027 en realidad es gratuito en cdns3_gadget_ep_free_request(). Pero list_del_init() usa priv_req-\u0026gt;list despu\u00e9s. [ 1542.642868][ T534] ERROR: KFENCE: lectura de uso despu\u00e9s de liberaci\u00f3n en __list_del_entry_valid+0x10/0xd4 [ 1542.642868][ T534] [ 1542.653162][ T534] Lectura de uso despu\u00e9s de liberaci\u00f3n en 0x000000009ed0ba99 (en kfence-#3 ): [ 1542.660311][ T534] __list_del_entry_valid+0x10/0xd4 [ 1542.665375][ T534] cdns3_gadget_ep_disable+0x1f8/0x388 [cdns3] [ 1542.671571][ T534] usb_ep_disable+0x44/0x e4 [ 1542.675948][ T534] ffs_func_eps_disable+0x64/0xc8 [ 1542.680839] [ T534] ffs_func_set_alt+0x74/0x368 [ 1542.685478][ T534] ffs_func_disable+0x18/0x28 Mueva list_del_init() antes de cdns3_gadget_ep_free_request() para resolver este problema.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2134e9906e17b1e5284300fab547869ebacfd7d9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/29e42e1578a10c611b3f1a38f3229b2d664b5d16\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4e5c73b15d95452c1ba9c771dd013a3fbe052ff3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9a07244f614bc417de527b799da779dcae780b5d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b40328eea93c75a5645891408010141a0159f643\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cd45f99034b0c8c9cb346dd0d6407a95ca3d36f6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cfa9abb5570c489dabf6f7fb3a066cc576fc8824\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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