{"id":"CVE-2023-53529","summary":"wifi: rtw88: Fix memory leak in rtw88_usb","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: Fix memory leak in rtw88_usb\n\nKmemleak shows the following leak arising from routine in the usb\nprobe routine:\n\nunreferenced object 0xffff895cb29bba00 (size 512):\n  comm \"(udev-worker)\", pid 534, jiffies 4294903932 (age 102751.088s)\n  hex dump (first 32 bytes):\n    77 30 30 30 00 00 00 00 02 2f 2d 2b 30 00 00 00  w000...../-+0...\n    02 00 2a 28 00 00 00 00 ff 55 ff ff ff 00 00 00  ..*(.....U......\n  backtrace:\n    [\u003cffffffff9265fa36\u003e] kmalloc_trace+0x26/0x90\n    [\u003cffffffffc17eec41\u003e] rtw_usb_probe+0x2f1/0x680 [rtw_usb]\n    [\u003cffffffffc03e19fd\u003e] usb_probe_interface+0xdd/0x2e0 [usbcore]\n    [\u003cffffffff92b4f2fe\u003e] really_probe+0x18e/0x3d0\n    [\u003cffffffff92b4f5b8\u003e] __driver_probe_device+0x78/0x160\n    [\u003cffffffff92b4f6bf\u003e] driver_probe_device+0x1f/0x90\n    [\u003cffffffff92b4f8df\u003e] __driver_attach+0xbf/0x1b0\n    [\u003cffffffff92b4d350\u003e] bus_for_each_dev+0x70/0xc0\n    [\u003cffffffff92b4e51e\u003e] bus_add_driver+0x10e/0x210\n    [\u003cffffffff92b50935\u003e] driver_register+0x55/0xf0\n    [\u003cffffffffc03e0708\u003e] usb_register_driver+0x88/0x140 [usbcore]\n    [\u003cffffffff92401153\u003e] do_one_initcall+0x43/0x210\n    [\u003cffffffff9254f42a\u003e] do_init_module+0x4a/0x200\n    [\u003cffffffff92551d1c\u003e] __do_sys_finit_module+0xac/0x120\n    [\u003cffffffff92ee6626\u003e] do_syscall_64+0x56/0x80\n    [\u003cffffffff9300006a\u003e] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nThe leak was verified to be real by unloading the driver, which resulted\nin a dangling pointer to the allocation.\n\nThe allocated memory is freed in rtw_usb_intf_deinit().","modified":"2026-04-02T09:44:24.499208Z","published":"2025-10-01T11:46:14.358Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53529.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/59a3a312009723e3e5082899655fdcc420e2b47a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5bba1ad561a8b5bb14704d8f511cf10466336e3d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53529.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53529"},{"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":"e3037485c68ec1a299ff41160d8fedbd4abc29b9"},{"fixed":"5bba1ad561a8b5bb14704d8f511cf10466336e3d"},{"fixed":"59a3a312009723e3e5082899655fdcc420e2b47a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53529.json"}}],"schema_version":"1.7.5"}