{"id":"CVE-2024-26749","summary":"usb: cdns3: fixed memory use after free at cdns3_gadget_ep_disable()","details":"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(&priv_ep-\u003eendpoint, &priv_req-\u003erequest);\n  list_del_init(&priv_req-\u003elist);\n  ...\n\n'priv_req' 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.","modified":"2026-04-02T10:05:46.743859Z","published":"2024-04-03T17:00:35.762Z","related":["SUSE-SU-2024:1490-1","SUSE-SU-2024:1659-1","SUSE-SU-2024:1663-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26749.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2134e9906e17b1e5284300fab547869ebacfd7d9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/29e42e1578a10c611b3f1a38f3229b2d664b5d16"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4e5c73b15d95452c1ba9c771dd013a3fbe052ff3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9a07244f614bc417de527b799da779dcae780b5d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b40328eea93c75a5645891408010141a0159f643"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cd45f99034b0c8c9cb346dd0d6407a95ca3d36f6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cfa9abb5570c489dabf6f7fb3a066cc576fc8824"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26749.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26749"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7733f6c32e36ff9d7adadf40001039bf219b1cbe"},{"fixed":"cfa9abb5570c489dabf6f7fb3a066cc576fc8824"},{"fixed":"b40328eea93c75a5645891408010141a0159f643"},{"fixed":"4e5c73b15d95452c1ba9c771dd013a3fbe052ff3"},{"fixed":"2134e9906e17b1e5284300fab547869ebacfd7d9"},{"fixed":"29e42e1578a10c611b3f1a38f3229b2d664b5d16"},{"fixed":"9a07244f614bc417de527b799da779dcae780b5d"},{"fixed":"cd45f99034b0c8c9cb346dd0d6407a95ca3d36f6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26749.json"}}],"schema_version":"1.7.5"}