{"cve":"CVE-2023-52475","nvd":{"published":"2024-02-29T06:15:45.763","modified":"2026-06-17T06:42:48.450","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: powermate - fix use-after-free in powermate_config_complete\n\nsyzbot has found a use-after-free bug [1] in the powermate driver. This\nhappens when the device is disconnected, which leads to a memory free from\nthe powermate_device struct.  When an asynchronous control message\ncompletes after the kfree and its callback is invoked, the lock does not\nexist anymore and hence the bug.\n\nUse usb_kill_urb() on pm->config to cancel any in-progress requests upon\ndevice disconnection.\n\n[1] https://syzkaller.appspot.com/bug?extid=0434ac83f907a1dbdd1e","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/2efe67c581a2a6122b328d4bb6f21b3f36f40d46","https://git.kernel.org/stable/c/5aa514100aaf59868d745196258269a16737c7bd","https://git.kernel.org/stable/c/5c15c60e7be615f05a45cd905093a54b11f461bc","https://git.kernel.org/stable/c/67cace72606baf1758fd60feb358f4c6be92e1cc","https://git.kernel.org/stable/c/6a4a396386404e62fb59bc3bde48871a64a82b4f"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2023-52475","score":0.00232,"percentile":0.14104,"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."]}