{"id":"CVE-2023-53574","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: delete timer and free skb queue when unloading\n\nFix possible crash and memory leak on driver unload by deleting\nTX purge timer and freeing C2H queue in 'rt…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: delete timer and free skb queue when unloading\n\nFix possible crash and memory leak on driver unload by deleting\nTX purge timer and freeing C2H queue in 'rt…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-401"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.2, < 6.5.5"],"patched":["linux_kernel 6.5.5"],"published":"2025-10-04","updated":"2026-10-03","sourceUpdated":"2026-10-03T11:17:28.307","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-53574","references":[{"url":"https://git.kernel.org/stable/c/4128b00a6006870e117ab1841e58f369e9284ecb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/60ee0f6fea7ba5681ebf7d70b8ebe592227188a4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/634fcbcaa4062db39aeb5ac6ed1bc1feb8dd5216","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00127,"epssPercentile":0.02053,"ingestedAt":"2026-10-03T11:43:42.109Z","slug":"CVE-2023-53574","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: delete timer and free skb queue when unloading\n\nFix possible crash and memory leak on driver unload by deleting\nTX purge timer and freeing C2H queue in 'rtw_core_deinit()',\nshrink critical section in the latter by freeing COEX queue\nout of TX report lock scope.\n\n## Affected\n\n- `linux_kernel >= 5.2, < 6.5.5`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.5.5`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}