{"id":"PUB-A-174049006", "published":"2021-12-01T00:00:00Z", "modified":"2026-09-18T15:47:37.392928379Z", "aliases":["CVE-2021-39649", "A-174049006"], "details":"In regmap_exit of regmap.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.", "affected":[{"package":{"name":":unknown:", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":":0"}, {"fixed":":2021-12-05"}]}], "versions":["Kernel"], "ecosystem_specific":{"severity":"Moderate", "spl":"2021-12-05", "types":["EoP"]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2021-12-01"}]}