{"id":"CVE-2023-53529","title":"wifi: rtw88: Fix memory leak in rtw88_usb","summary":"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 (siz…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= e3037485c68ec1a299ff41160d8fedbd4abc29b9 < 5bba1ad561a8b5bb14704d8f511cf10466336e3d","Linux >= e3037485c68ec1a299ff41160d8fedbd4abc29b9 < 59a3a312009723e3e5082899655fdcc420e2b47a","Linux 5.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:23:24.026154Z"},"published":"2025-10-01","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:31:13.888Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53529","references":[{"url":"https://git.kernel.org/stable/c/5bba1ad561a8b5bb14704d8f511cf10466336e3d"},{"url":"https://git.kernel.org/stable/c/59a3a312009723e3e5082899655fdcc420e2b47a"}],"tags":["cve.org"],"epss":0.0013,"epssPercentile":0.0268,"ingestedAt":"2026-11-05T22:38:31.808Z","slug":"CVE-2023-53529","body":"## Overview\n\nIn 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    [<ffffffff9265fa36>] kmalloc_trace+0x26/0x90\n    [<ffffffffc17eec41>] rtw_usb_probe+0x2f1/0x680 [rtw_usb]\n    [<ffffffffc03e19fd>] usb_probe_interface+0xdd/0x2e0 [usbcore]\n    [<ffffffff92b4f2fe>] really_probe+0x18e/0x3d0\n    [<ffffffff92b4f5b8>] __driver_probe_device+0x78/0x160\n    [<ffffffff92b4f6bf>] driver_probe_device+0x1f/0x90\n    [<ffffffff92b4f8df>] __driver_attach+0xbf/0x1b0\n    [<ffffffff92b4d350>] bus_for_each_dev+0x70/0xc0\n    [<ffffffff92b4e51e>] bus_add_driver+0x10e/0x210\n    [<ffffffff92b50935>] driver_register+0x55/0xf0\n    [<ffffffffc03e0708>] usb_register_driver+0x88/0x140 [usbcore]\n    [<ffffffff92401153>] do_one_initcall+0x43/0x210\n    [<ffffffff9254f42a>] do_init_module+0x4a/0x200\n    [<ffffffff92551d1c>] __do_sys_finit_module+0xac/0x120\n    [<ffffffff92ee6626>] do_syscall_64+0x56/0x80\n    [<ffffffff9300006a>] 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().\n\n## Affected\n\n- `Linux >= e3037485c68ec1a299ff41160d8fedbd4abc29b9 < 5bba1ad561a8b5bb14704d8f511cf10466336e3d`\n- `Linux >= e3037485c68ec1a299ff41160d8fedbd4abc29b9 < 59a3a312009723e3e5082899655fdcc420e2b47a`\n- `Linux 5.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}