{"cve":"CVE-2022-49313","nvd":{"published":"2025-02-26T07:01:08.143","modified":"2026-06-17T05:17:41.093","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers: usb: host: Fix deadlock in oxu_bus_suspend()\n\nThere is a deadlock in oxu_bus_suspend(), which is shown below:\n\n   (Thread 1)              |      (Thread 2)\n                           | timer_action()\noxu_bus_suspend()          |  mod_timer()\n spin_lock_irq() //(1)     |  (wait a time)\n ...                       | oxu_watchdog()\n del_timer_sync()          |  spin_lock_irq() //(2)\n (wait timer to stop)      |  ...\n\nWe hold oxu->lock in position (1) of thread 1, and use\ndel_timer_sync() to wait timer to stop, but timer handler\nalso need oxu->lock in position (2) of thread 2. As a result,\noxu_bus_suspend() will block forever.\n\nThis patch extracts del_timer_sync() from the protection of\nspin_lock_irq(), which could let timer handler to obtain\nthe needed lock.","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-667"],"references":["https://git.kernel.org/stable/c/2dcec0bc142be2096af71a5703d63237127db204","https://git.kernel.org/stable/c/4187b291a76664a3c03d3f0d9bfadc8322881868","https://git.kernel.org/stable/c/4d378f2ae58138d4c55684e1d274e7dd94aa6524","https://git.kernel.org/stable/c/9b58d255f27b0ed6a2e43208960864d67579db58","https://git.kernel.org/stable/c/a3d380188bde8900c3f604e82b56572896499124"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49313","score":0.00209,"percentile":0.11094,"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."]}