Описание
The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).
Пакеты
Пакет | Статус | Версия исправления | Релиз | Тип |
---|---|---|---|---|
libsepol | fixed | 3.3-1 | package | |
libsepol | no-dsa | buster | package | |
libsepol | no-dsa | stretch | package |
Примечания
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31065
https://github.com/SELinuxProject/selinux/commit/f34d3d30c8325e4847a6b696fe7a3936a8a361f3 (3.3-rc1)
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/selinux/OSV-2021-417.yaml
EPSS
Связанные уязвимости
The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).
The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).
The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).
The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).
Уязвимость функции __cil_verify_classperms() системы контроля доступа SELinux, позволяющая нарушителю вызвать отказ в обслуживании
EPSS