{"cve":"CVE-2023-53802","nvd":{"published":"2025-12-09T01:16:51.997","modified":"2026-06-17T06:46:05.947","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: htc_hst: free skb in ath9k_htc_rx_msg() if there is no callback function\n\nIt is stated that ath9k_htc_rx_msg() either frees the provided skb or\npasses its management to another callback function. However, the skb is\nnot freed in case there is no another callback function, and Syzkaller was\nable to cause a memory leak. Also minor comment fix.\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/564bc2222bf50eb6cdee715a5431bf4dc9f923c1","https://git.kernel.org/stable/c/5a84e51f72580fc70066b03f3dac38421e702a0b","https://git.kernel.org/stable/c/68171c006c8645a3e0293a6c3e6037c6538ac1c5","https://git.kernel.org/stable/c/9b25e3985477ac3f02eca5fc1e0cc6850a3f7e69","https://git.kernel.org/stable/c/b11f95f65cc52ee3a756e6f6a88df37a203e25bd"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:16:40.427100871+00:00"},"epss":{"cve":"CVE-2023-53802","score":0.00195,"percentile":0.09292,"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."]}