{"id":"CVE-2023-53145","title":"Bluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition\n\nIn btsdio_probe, the data->work is bound with btsdio_work. It will be\nstarted in btsdi…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < 6c3653627397a0d6eab19b20a59423e118985a6b","Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < 3efcbf25e5ab4d4ad1b7e6ba0869ff85540e3f6e","Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < a6650d27ab2c12a8ee750f396edb5ac8b4558b2e","Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < 746b363bef41cc159c051c47f9e30800bc6b520d","Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < a5c2a467e9e789ae0891de55b766daac52e3b7b3","Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < 179c65828593aff1f444e15debd40a477cb23cf4","Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < 73f7b171b7c09139eb3c6a5677c200dc1be5f318","Linux 2.6.24"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:19:02.979322Z"},"published":"2025-05-10","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:21:04.865Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53145","references":[{"url":"https://git.kernel.org/stable/c/6c3653627397a0d6eab19b20a59423e118985a6b"},{"url":"https://git.kernel.org/stable/c/3efcbf25e5ab4d4ad1b7e6ba0869ff85540e3f6e"},{"url":"https://git.kernel.org/stable/c/a6650d27ab2c12a8ee750f396edb5ac8b4558b2e"},{"url":"https://git.kernel.org/stable/c/746b363bef41cc159c051c47f9e30800bc6b520d"},{"url":"https://git.kernel.org/stable/c/a5c2a467e9e789ae0891de55b766daac52e3b7b3"},{"url":"https://git.kernel.org/stable/c/179c65828593aff1f444e15debd40a477cb23cf4"},{"url":"https://git.kernel.org/stable/c/73f7b171b7c09139eb3c6a5677c200dc1be5f318"}],"tags":["cve.org"],"epss":0.00193,"epssPercentile":0.08971,"ingestedAt":"2026-11-05T22:38:31.781Z","slug":"CVE-2023-53145","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btsdio: fix use after free bug in btsdio_remove due to race condition\n\nIn btsdio_probe, the data->work is bound with btsdio_work. It will be\nstarted in btsdio_send_frame.\n\nIf the btsdio_remove runs with a unfinished work, there may be a race\ncondition that hdev is freed but used in btsdio_work. Fix it by\ncanceling the work before do cleanup in btsdio_remove.\n\n## Affected\n\n- `Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < 6c3653627397a0d6eab19b20a59423e118985a6b`\n- `Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < 3efcbf25e5ab4d4ad1b7e6ba0869ff85540e3f6e`\n- `Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < a6650d27ab2c12a8ee750f396edb5ac8b4558b2e`\n- `Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < 746b363bef41cc159c051c47f9e30800bc6b520d`\n- `Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < a5c2a467e9e789ae0891de55b766daac52e3b7b3`\n- `Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < 179c65828593aff1f444e15debd40a477cb23cf4`\n- `Linux >= ddbaf13e3609442b64abb931ac21527772d87980 < 73f7b171b7c09139eb3c6a5677c200dc1be5f318`\n- `Linux 2.6.24`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}