{"cve":"CVE-2026-23446","nvd":{"published":"2026-04-03T16:16:30.317","modified":"2026-10-15T02:18:57.347","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: aqc111: Do not perform PM inside suspend callback\n\nsyzbot reports \"task hung in rpm_resume\"\n\nThis is caused by aqc111_suspend calling\nthe PM variant of its write_cmd routine.\n\nThe simplified call trace looks like this:\n\nrpm_suspend()\n  usb_suspend_both() - here udev->dev.power.runtime_status == RPM_SUSPENDING\n    aqc111_suspend() - called for the usb device interface\n      aqc111_write32_cmd()\n        usb_autopm_get_interface()\n          pm_runtime_resume_and_get()\n            rpm_resume() - here we call rpm_resume() on our parent\n              rpm_resume() - Here we wait for a status change that will never happen.\n\nAt this point we block another task which holds\nrtnl_lock and locks up the whole networking stack.\n\nFix this by replacing the write_cmd calls with their _nopm variants","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":[],"references":["https://git.kernel.org/stable/c/069c8f5aebe4d5224cf62acc7d4b3486091c658a","https://git.kernel.org/stable/c/3267bcb744ee8a2feabaa7ab69473f086f67fd71","https://git.kernel.org/stable/c/4de6a43e8ecf961feabddf0e9d6911081d2ed218","https://git.kernel.org/stable/c/621f2f43741b51f62d767eb4752fbcefe2526926","https://git.kernel.org/stable/c/98e8aed64614b0c199d5f0391fbe1a4331cb5773"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:28:59.047572785+00:00"},"epss":{"cve":"CVE-2026-23446","score":0.00129,"percentile":0.02498,"date":"2026-10-25"},"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."]}