{"cve":"CVE-2023-53717","nvd":{"published":"2025-10-22T14:15:46.367","modified":"2026-10-28T19:10:00.193","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: Fix potential stack-out-of-bounds write in ath9k_wmi_rsp_callback()\n\nFix a stack-out-of-bounds write that occurs in a WMI response callback\nfunction that is called after a timeout occurs in ath9k_wmi_cmd().\nThe callback writes to wmi->cmd_rsp_buf, a stack-allocated buffer that\ncould no longer be valid when a timeout occurs. Set wmi->last_seq_id to\n0 when a timeout occurred.\n\nFound by a modified version of syzkaller.\n\nBUG: KASAN: stack-out-of-bounds in ath9k_wmi_ctrl_rx\nWrite of size 4\nCall Trace:\n memcpy\n ath9k_wmi_ctrl_rx\n ath9k_htc_rx_msg\n ath9k_hif_usb_reg_in_cb\n __usb_hcd_giveback_urb\n usb_hcd_giveback_urb\n dummy_timer\n call_timer_fn\n run_timer_softirq\n __do_softirq\n irq_exit_rcu\n sysvec_apic_timer_interrupt","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/1af7eacfad45149c54893a8a9df9e92ef89f0a90","https://git.kernel.org/stable/c/554048a72d7ecfdd58cc1bfb56e0a1864e64e82c","https://git.kernel.org/stable/c/78b56b0a613a87b61290b95be497fdfe2fe58aa6","https://git.kernel.org/stable/c/89a33c3c847b19b19205cde1d924df2a6c70d8eb","https://git.kernel.org/stable/c/8a2f35b9830692f7a616f2f627f943bc748af13a"],"products":[],"source":"nvd","synced_at":"2026-10-28T19:37:43.506563291+00:00"},"epss":{"cve":"CVE-2023-53717","score":0.0021,"percentile":0.11146,"date":"2026-10-28"},"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."]}