A flaw exists in the nbdkit "blocksize" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | no-fix-debian-deb-package | May 15, 2025 | May 15, 2025 | |
| Redhat_linux | — | no-fix-redhat-rpm-package | Jul 9, 2025 | Jun 9, 2025 |
| Suse | — | suse-upgrade-nbdkitsuse-upgrade-nbdkit-bash-completionsuse-upgrade-nbdkit-basic-filterssuse-upgrade-nbdkit-basic-pluginssuse-upgrade-nbdkit-curl-pluginsuse-upgrade-nbdkit-develsuse-upgrade-nbdkit-example-pluginssuse-upgrade-nbdkit-gzip-filtersuse-upgrade-nbdkit-linuxdisk-pluginsuse-upgrade-nbdkit-nbd-pluginsuse-upgrade-nbdkit-python-pluginsuse-upgrade-nbdkit-serversuse-upgrade-nbdkit-ssh-pluginsuse-upgrade-nbdkit-tar-filtersuse-upgrade-nbdkit-tmpdisk-pluginsuse-upgrade-nbdkit-vddk-pluginsuse-upgrade-nbdkit-xz-filter | Dec 5, 2025 | Jun 11, 2025 |
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