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Debian LTS 11 nova Important Resize Safety Issue DLA-4486-1 CVE-2026-24708

debian lts
Calendar Grey February 20, 2026
Dist Debian Esm H88
Discover an important security advisory for nova in Debian LTS 11, addressing unsafe image resizing operations that risk data integrity.
Dan Smith discovered that nova, a cloud computing fabric controller, calls qemu-img without format restrictions for resize, which may result in unsafe image resize operations that ...
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Topics Covered

security advisory debian important data integrity nova resize issue

Summary

For Debian 11 bullseye, this problem has been fixed in version
2:22.4.0-1~deb11u7.

We recommend that you upgrade your nova packages.

For the detailed security status of nova please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/nova

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



Severity
important
Lowest
Low
Medium
High
Critical

Package: nova
Version: 2:22.4.0-1~deb11u7
CVE ID: CVE-2026-24708
Debian Bug: 1128294

Topics%20covered

Topics Covered

security advisory debian important data integrity nova resize issue

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