{"cve":"CVE-2023-54159","nvd":{"published":"2025-12-24T13:16:17.960","modified":"2026-06-17T06:46:54.613","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: mtu3: fix kernel panic at qmu transfer done irq handler\n\nWhen handle qmu transfer irq, it will unlock @mtu->lock before give back\nrequest, if another thread handle disconnect event at the same time, and\ntry to disable ep, it may lock @mtu->lock and free qmu ring, then qmu\nirq hanlder may get a NULL gpd, avoid the KE by checking gpd's value before\nhandling it.\n\ne.g.\nqmu done irq on cpu0                 thread running on cpu1\n\nqmu_done_tx()\n  handle gpd [0]\n    mtu3_requ_complete()        mtu3_gadget_ep_disable()\n      unlock @mtu->lock\n        give back request         lock @mtu->lock\n                                    mtu3_ep_disable()\n                                      mtu3_gpd_ring_free()\n                                   unlock @mtu->lock\n      lock @mtu->lock\n    get next gpd [1]\n\n[1]: goto [0] to handle next gpd, and next gpd may be NULL.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/012936502a9cb7b0604e85bb961eb15e2bb40dd9","https://git.kernel.org/stable/c/26ca30516b2c49dd04c134cbdf122311c538df98","https://git.kernel.org/stable/c/3a7d4959560a2ee493ef222e3b63d359365f41ec","https://git.kernel.org/stable/c/b636aff94a67be46582d4321d11743f1a10cc2c1","https://git.kernel.org/stable/c/d28f4091ea7ec3510fd6a3c6d433234e7a2bef14"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2023-54159","score":0.00205,"percentile":0.10504,"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."]}