[SECURITY] [DLA 4486-1] nova security update

Debian LTS Advisory DLA-4486-1 [email protected] https://www.debian.org/lts/security/ Carlos Henrique Lima Melara February 20, 2026 https://wiki.debian.org/LTS Package : nova Version : 2:22.4.0-1deb11u7 CVE ID : CVE-2026-24708 Debian Bug : 1128294 Dan Smith discovered that nova, a cloud...

OpenStack Nova calls qemu-img without format restrictions for resize

An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1. By writing a malicious QCOW header to a root or ephemeral disk and then triggering a resize, a user may convince Nova's Flat image backend to call qemu-img without a format restriction, resulting in a...

UBUNTU-CVE-2026-24708

An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1. By writing a malicious QCOW header to a root or ephemeral disk and then triggering a resize, a user may convince Nova's Flat image backend to call qemu-img without a format restriction, resulting in a...