Описание
It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.
Пакеты
| Пакет | Статус | Версия исправления | Релиз | Тип |
|---|---|---|---|---|
| aufs | unfixed | package | ||
| aufs | no-dsa | buster | package | |
| aufs | ignored | stretch | package |
Примечания
To exploit the issue CONFIG_IMA in Kernel needs to be enabled.
linux/4.9.y had the config enabled, but was disabled in later versions
including linux/4.19.y.
https://sourceforge.net/p/aufs/mailman/message/37048642/
https://github.com/sfjro/aufs4-linux/commit/515a586eeef31e0717d5dea21e2c11a965340b3c
https://github.com/sfjro/aufs4-linux/commit/f10aea57d39d6cd311312e9e7746804f7059b5c8
EPSS
Связанные уязвимости
It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.
It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.
It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.
It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.
Уязвимость функции vfsub_dentry_open файловой системы Another UnionFS, позволяющая нарушителю вызвать отказ в обслуживании
EPSS