{"cve":"CVE-2023-52594","nvd":{"published":"2024-03-06T07:15:09.200","modified":"2026-06-17T06:43:06.497","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: Fix potential array-index-out-of-bounds read in ath9k_htc_txstatus()\n\nFix an array-index-out-of-bounds read in ath9k_htc_txstatus(). The bug\noccurs when txs->cnt, data from a URB provided by a USB device, is\nbigger than the size of the array txs->txstatus, which is\nHTC_MAX_TX_STATUS. WARN_ON() already checks it, but there is no bug\nhandling code after the check. Make the function return if that is the\ncase.\n\nFound by a modified version of syzkaller.\n\nUBSAN: array-index-out-of-bounds in htc_drv_txrx.c\nindex 13 is out of range for type '__wmi_event_txstatus [12]'\nCall Trace:\n ath9k_htc_txstatus\n ath9k_wmi_event_tasklet\n tasklet_action_common\n __do_softirq\n irq_exit_rxu\n sysvec_apic_timer_interrupt","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/25c6f49ef59b7a9b80a3f7ab9e95268a1b01a234","https://git.kernel.org/stable/c/2adc886244dff60f948497b59affb6c6ebb3c348","https://git.kernel.org/stable/c/84770a996ad8d7f121ff2fb5a8d149aad52d64c1","https://git.kernel.org/stable/c/9003fa9a0198ce004b30738766c67eb7373479c9","https://git.kernel.org/stable/c/be609c7002dd4504b15b069cb7582f4c778548d1"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2023-52594","score":0.00248,"percentile":0.16197,"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."]}