{"cve":"CVE-2022-49312","nvd":{"published":"2025-02-26T07:01:07.997","modified":"2026-06-17T05:17:40.907","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix a potential memory leak in r871xu_drv_init()\n\nIn r871xu_drv_init(), if r8712_init_drv_sw() fails, then the memory\nallocated by r8712_alloc_io_queue() in r8712_usb_dvobj_init() is not\nproperly released as there is no action will be performed by\nr8712_usb_dvobj_deinit().\nTo properly release it, we should call r8712_free_io_queue() in\nr8712_usb_dvobj_deinit().\n\nBesides, in r871xu_dev_remove(), r8712_usb_dvobj_deinit() will be called\nby r871x_dev_unload() under condition `padapter->bup` and\nr8712_free_io_queue() is called by r8712_free_drv_sw().\nHowever, r8712_usb_dvobj_deinit() does not rely on `padapter->bup` and\ncalling r8712_free_io_queue() in r8712_free_drv_sw() is negative for\nbetter understading the code.\nSo I move r8712_usb_dvobj_deinit() into r871xu_dev_remove(), and remove\nr8712_free_io_queue() from r8712_free_drv_sw().","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/205e039fead72e87ad2838f5e649a4c4834f648b","https://git.kernel.org/stable/c/5a89a92efc342dd7c44b6056da87debc598f9c73","https://git.kernel.org/stable/c/7288ff561de650d4139fab80e9cb0da9b5b32434","https://git.kernel.org/stable/c/8eb42d6d10f8fe509117859defddf9e72b4fa4d0","https://git.kernel.org/stable/c/a2882b8baad068d21c99fb2ab5a85a2bdbd5b834"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49312","score":0.00268,"percentile":0.19034,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}