CVSS 4.0
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се локално, без особени условия, само при определена конфигурация или състояние на системата, с обикновен потребителски вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
On Linux, several OpenZFS ioctl authorization checks accept a capability held only within a user-created, unprivileged namespace as equivalent to real host privilege, allowing an unprivileged local user to perform operations that should require root. Affected operations include pool-administrative operations (eg create, import, destroy), pool event log access (zpool events) and fault injection (zinject). Exploiting the problem requires only that the local user is permitted to open /dev/zfs (governed by local device permissions) and that the kernel permits unprivileged user namespace creation. No prior access to the target pool or its underlying devices is needed.
Засегнати продукти
- OpenZFS OpenZFS: 0.7.0 преди 2.2.11; 2.3.0 преди 2.3.9; 2.4.0 преди 2.4.4
Вид слабост
История
- 26 август 2026 Публикувано
Други уязвимости в OpenZFS OpenZFS
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-79619
- https://nvd.nist.gov/vuln/detail/CVE-2026-79619
- https://github.com/openzfs/zfs/pull/18959
- https://github.com/advisories/GHSA-mhf5-q8gw-qg9v
- https://github.com/openzfs/zfs/releases/tag/zfs-2.4.4
- https://github.com/openzfs/zfs/releases/tag/zfs-2.3.9
- https://github.com/openzfs/zfs/releases/tag/zfs-2.2.11
- https://seclists.org/fulldisclosure/2026/Aug/40