Ubuntu 25.04: USN-7577-1 important: libblockdev privilege escalation

ubuntu

June 18, 2025

libblockdev could be made to run programs as an administrator.

Summary

libblockdev could be made to run programs as an administrator.

Software Description:

- libblockdev: libblockdev introspection data

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.

Topics Covered

security advisory software update privilege escalation important ubuntu libblockdev

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.04
   libblockdev3                    3.3.0-2ubuntu0.1

Ubuntu 24.10
   libblockdev3                    3.1.1-2ubuntu0.1

Ubuntu 24.04 LTS
   libblockdev3                    3.1.1-1ubuntu0.1

Ubuntu 22.04 LTS
   libblockdev2                    2.26-1ubuntu0.1

After a standard system update you need to reboot your computer to make all
the necessary changes.