Debian Security Advisory

DLA-2809-1 udisks2 -- LTS security update

Date Reported:
05 Nov 2021
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-3802.
More information:

Stefan Walter found that udisks2, a service to access and manipulate storage devices, could cause denial of service via system crash if a corrupted or specially crafted ext2/3/4 device or image was mounted, which could happen automatically on certain environments.

For Debian 9 stretch, this problem has been fixed in version 2.1.8-1+deb9u1.

We recommend that you upgrade your udisks2 packages.

For the detailed security status of udisks2 please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: