{"id":"CVE-2020-27066","details":"In xfrm6_tunnel_free_spi of net/ipv6/xfrm6_tunnel.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-168043318","modified":"2026-04-10T04:26:36.281773Z","published":"2020-12-15T17:15:14Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/pixel/2020-12-01"},{"type":"FIX","url":"https://source.android.com/security/bulletin/pixel/2020-12-01"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"}]}