Описание
The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| linux | fixed | 4.3.3-3 | package | |
| linux | not-affected | jessie | package | |
| linux | not-affected | wheezy | package | |
| linux-2.6 | not-affected | package |
Примечания
Upstream commit: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=acff81ec2c79492b180fade3c2894425cd35a545 (v4.4-rc4)
OverlayFS introduced in https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9be9d5e76e34872f0c37d72e25bc27fe9e2c54c (v3.18-rc2)
https://www.openwall.com/lists/oss-security/2015/12/23/5
EPSS
Связанные уязвимости
The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.
The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.
The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.
The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.
ELSA-2016-3593: Unbreakable Enterprise kernel security update (IMPORTANT)
EPSS