kernel: Race condition in nci_request() leads to use after free while the device is getting removed https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=86cdf8e38792545161dbe3350a7eced558ba4d15 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=48b71a9e66c2eab60564b1b1c85f4928ed04e406 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=3e3b5dfcd16a3e254aab61bd1e8c417dd4503102 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=aedddb4e45b34426cfbfa84454b6f203712733c5 CREATE(Triage):(User=admin) CVE-2021-4202 (https://nvd.nist.gov/vuln/detail/CVE-2021-4202)