{"cve":"CVE-2024-53156","nvd":{"published":"2024-12-24T12:15:23.833","modified":"2026-06-17T08:08:26.550","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: add range check for conn_rsp_epid in htc_connect_service()\n\nI found the following bug in my fuzzer:\n\n  UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26:51\n  index 255 is out of range for type 'htc_endpoint [22]'\n  CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.11.0-rc6-dirty #14\n  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n  Workqueue: events request_firmware_work_func\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x180/0x1b0\n   __ubsan_handle_out_of_bounds+0xd4/0x130\n   htc_issue_send.constprop.0+0x20c/0x230\n   ? _raw_spin_unlock_irqrestore+0x3c/0x70\n   ath9k_wmi_cmd+0x41d/0x610\n   ? mark_held_locks+0x9f/0xe0\n   ...\n\nSince this bug has been confirmed to be caused by insufficient verification\nof conn_rsp_epid, I think it would be appropriate to add a range check for\nconn_rsp_epid to htc_connect_service() to prevent the bug from occurring.","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-129"],"references":["https://git.kernel.org/stable/c/3fe99b9690b99606d3743c9961ebee865cfa1ab8","https://git.kernel.org/stable/c/5f177fb9d01355ac183e65ad8909ea8ef734e0cf","https://git.kernel.org/stable/c/70eae50d2156cb6e078d0d78809b49bf2f4c7540","https://git.kernel.org/stable/c/8619593634cbdf5abf43f5714df49b04e4ef09ab","https://git.kernel.org/stable/c/8965db7fe2e913ee0802b05fc94c6d6aa74e0596"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:57:56.913276502+00:00"},"epss":{"cve":"CVE-2024-53156","score":0.00238,"percentile":0.14846,"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."]}