Описание
The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| linux | fixed | 4.6.1-1 | package | |
| linux | ignored | jessie | package | |
| linux | no-dsa | wheezy | package |
Примечания
https://git.kernel.org/linus/f9a61eb4e2471c56a63cd804c7474128138c38ac (v4.6-rc1)
https://git.kernel.org/linus/82939d7999dfc1f1998c4b1c12e2f19edbdff272 (v4.6-rc1)
https://git.kernel.org/linus/be0726d33cb8f411945884664924bed3cb8c70ee (v4.6-rc1)
Связанные уязвимости
The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.
The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.
The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.
The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.
ELSA-2017-3533: Unbreakable Enterprise kernel security update (IMPORTANT)