Packages
- libblockdev - libblockdev introspection data
Details
USN-7577-1 fixed a vulnerability in libblockdev. This update provides
the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that libblockdev incorrectly handled mount options when
resizing certain filesystems. A local attacker with an active session on
the console can use this issue to escalate their privileges to root.
USN-7577-1 fixed a vulnerability in libblockdev. This update provides
the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that libblockdev incorrectly handled mount options when
resizing certain filesystems. A local attacker with an active session on
the console can use this issue to escalate their privileges to root.
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 focal | libblockdev2 – 2.23-2ubuntu3+esm1 | ||
| 18.04 bionic | libblockdev2 – 2.16-2ubuntu0.1~esm1 | ||
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