{"id":"CVE-2022-50852","summary":"wifi: mt76: mt7921: fix use after free in mt7921_acpi_read()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921: fix use after free in mt7921_acpi_read()\n\nDon't dereference \"sar_root\" after it has been freed.","modified":"2026-08-12T03:51:38.542989007Z","published":"2025-12-30T12:15:28.444Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50852.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3ed0b382cb36f6dac9f93b3a5533cfcd699409a5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e7de4b4979bd8d313ec837931dde936653ca82ea"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50852.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50852"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f965333e491e36adb0fa91e389fba8685b704fb6"},{"fixed":"3ed0b382cb36f6dac9f93b3a5533cfcd699409a5"},{"fixed":"e7de4b4979bd8d313ec837931dde936653ca82ea"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50852.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.0.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50852.json"}}],"schema_version":"1.9.0"}