Packages
- zfs-linux - OpenZFS file system for Linux
Details
USN-8705-1 fixed vulnerabilities in OpenZFS. This update provides the
corresponding fix for OpenZFS on Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that OpenZFS incorrectly handled authorization checks for
certain ioctl operations on Linux. A local attacker could possibly use this
issue to perform pool-administrative operations or access privileged
information, resulting in an authorization bypass.
USN-8705-1 fixed vulnerabilities in OpenZFS. This update provides the
corresponding fix for OpenZFS on Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that OpenZFS incorrectly handled authorization checks for
certain ioctl operations on Linux. A local attacker could possibly use this
issue to perform pool-administrative operations or access privileged
information, resulting in an authorization bypass.
Update instructions
After a standard system update you need to reboot your computer to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 20.04 LTS focal | libuutil1linux – 0.8.3-1ubuntu12.18+esm1 | ||
| libzfs2linux – 0.8.3-1ubuntu12.18+esm1 | |||
| zfs-dkms – 0.8.3-1ubuntu12.18+esm1 | |||
| zfsutils-linux – 0.8.3-1ubuntu12.18+esm1 | |||
| 18.04 LTS bionic | libuutil1linux – 0.7.5-1ubuntu16.12+esm1 | ||
| libzfs2linux – 0.7.5-1ubuntu16.12+esm1 | |||
| zfs-dkms – 0.7.5-1ubuntu16.12+esm1 | |||
| zfsutils-linux – 0.7.5-1ubuntu16.12+esm1 | |||
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