Описание
The do_shmat function in ipc/shm.c in the Linux kernel through 4.9.12 does not restrict the address calculated by a certain rounding operation, which allows local users to map page zero, and consequently bypass a protection mechanism that exists for the mmap system call, by making crafted shmget and shmat system calls in a privileged context.
Ссылки
- Third Party Advisory
- Third Party AdvisoryVDB Entry
- Third Party AdvisoryVDB Entry
- Issue TrackingPatchVendor Advisory
- PatchThird Party Advisory
- PatchThird Party Advisory
- Third Party Advisory
- Third Party Advisory
- Third Party Advisory
- Third Party AdvisoryVDB Entry
- Third Party AdvisoryVDB Entry
- Issue TrackingPatchVendor Advisory
- PatchThird Party Advisory
- PatchThird Party Advisory
- Third Party Advisory
- Third Party Advisory
Уязвимые конфигурации
Одно из
EPSS
7.8 High
CVSS3
4.6 Medium
CVSS2
Дефекты
Связанные уязвимости
The do_shmat function in ipc/shm.c in the Linux kernel through 4.9.12 does not restrict the address calculated by a certain rounding operation, which allows local users to map page zero, and consequently bypass a protection mechanism that exists for the mmap system call, by making crafted shmget and shmat system calls in a privileged context.
The do_shmat function in ipc/shm.c in the Linux kernel through 4.9.12 does not restrict the address calculated by a certain rounding operation, which allows local users to map page zero, and consequently bypass a protection mechanism that exists for the mmap system call, by making crafted shmget and shmat system calls in a privileged context.
The do_shmat function in ipc/shm.c in the Linux kernel through 4.9.12 ...
The do_shmat function in ipc/shm.c in the Linux kernel through 4.9.12 does not restrict the address calculated by a certain rounding operation, which allows local users to map page zero, and consequently bypass a protection mechanism that exists for the mmap system call, by making crafted shmget and shmat system calls in a privileged context.
Уязвимость функции do_shmat компонента ipc/shm.c ядра операционной системы Linux, связанная с недостаточной проверкой входных данных, позволяющая привилегированному пользователю обойти существующие ограничения безопасности
EPSS
7.8 High
CVSS3
4.6 Medium
CVSS2