In cgroup1parseparam of cgroup-v1.c, there is a possible container breakout due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
{ "vanir_signatures": [ { "digest": { "threshold": 0.9, "line_hashes": [ "191251821101608297518000102230053641", "161478230760747823243509515755670125340", "53748005745504328288671075488780645792", "268088281257053229139836659380680159012" ] }, "id": "ASB-A-218836280-0a0279e2", "source": "https://android.googlesource.com/kernel/common/+/811763e3beb6c", "deprecated": false, "signature_version": "v1", "target": { "file": "kernel/cgroup/cgroup-v1.c" }, "signature_type": "Line" }, { "digest": { "length": 1976.0, "function_hash": "43562121027514138802384445818688810638" }, "id": "ASB-A-218836280-f8ce5168", "source": "https://android.googlesource.com/kernel/common/+/811763e3beb6c", "deprecated": false, "signature_version": "v1", "target": { "file": "kernel/cgroup/cgroup-v1.c", "function": "cgroup1_parse_param" }, "signature_type": "Function" } ], "fixes": [ "https://android.googlesource.com/kernel/common/+/811763e3beb6c" ], "spl": "2022-06-05", "severity": "High", "types": [ "EoP" ] }