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openSUSE: 2025:01889-1 moderate: nbdkit Denial of Service Vulnerabilities

opensuse
Calendar Grey June 11, 2025
Scroller Opensuse
A recent openSUSE patch resolves nbdkit vulnerabilities that may lead to denial-of-service attacks. Immediate installation is crucial for safeguarding your systems.
An update that solves two vulnerabilities can now be installed.

Description

This update for nbdkit fixes the following issues:

Update to version 1.36.5.

Security fixes:

* CVE-2025-47712: integer overflow in blocksize filter when processing client

block status requests larger than 2**32 will trigger an assertion failure

and cause a denial-of-service. (bsc#1243108).

* CVE-2025-47711: off-by-one error when processing block status results from

plugins on behalf of an NBD client may trigger an assertion failure and

cause a denial of service (bsc#1243110).

Other fixes and changes:

* tests: Add test-blkio.sh to unconditional EXTRA_DIST rule.

* Revert "valgrind: Add suppression for liblzma bug".

* vddk: Move "Unknown error" information to the manual.

* ocaml Add better comments to the example plugin.

* ocaml: Simplify pread operation.

* ocaml: Define a struct handle to hold the OCaml handle.

* ocaml: Add OCaml version to --dump-plugin output.

* ocaml: Print callback name when an exception is printed.

* ocaml: Combine all...

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Topics%20covered

Topics Covered

security advisory moderate software update DoS openSUSE nbdkit

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* openSUSE Leap 15.4

zypper in -t patch SUSE-2025-1889=1

* openSUSE Leap 15.6

zypper in -t patch openSUSE-SLE-15.6-2025-1889=1

* Server Applications Module 15-SP6

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP6-2025-1889=1

Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)

* nbdkit-example-plugins-1.36.5-150400.3.9.1

* nbdkit-xz-filter-1.36.5-150400.3.9.1

* nbdkit-tmpdisk-plugin-debuginfo-1.36.5-150400.3.9.1

* nbdkit-debuginfo-1.36.5-150400.3.9.1

* nbdkit-python-plugin-1.36.5-150400.3.9.1

* nbdkit-example-plugins-debuginfo-1.36.5-150400.3.9.1

* nbdkit-nbd-plugin-1.36.5-150400.3.9.1

* nbdkit-server-1.36.5-150400.3.9.1

* nbdkit-linuxdisk-plugin-1.36.5-150400.3.9.1

* nbdkit-gzip-filter-1.36.5-150400.3.9.1

* nbdkit-ssh-plugin-1.36.5-150400.3.9.1

* nbdkit-basic-plugins-debuginfo-1.36.5-150400.3.9.1

* nbdkit-basic-plugins-1.36.5-150400.3.9.1

* nbdkit-server-debuginfo-1.36.5-150400.3.9.1

* nbdkit-tar-filter-debuginfo-1.36.5-150400.3.9.1

* nbdkit-xz-filter-debuginfo-1.36.5-150400.3.9.1

* nbdkit-nbd-plugin-debuginfo-1.36.5-150400.3.9.1

* nbdkit-curl-plugin-debuginfo-1.36.5-150400.3.9.1

* nbdkit-gzip-filter-debuginfo-1.36.5-150400.3.9.1

* nbdkit-linuxdisk-plugin-debuginfo-1.36.5-150400.3.9.1

*...

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References

* bsc#1243108

* bsc#1243110

## References:

* https://www.suse.com/security/cve/CVE-2025-47711.html

* https://www.suse.com/security/cve/CVE-2025-47712.html

* https://bugzilla.suse.com/show_bug.cgi?id=1243108

* https://bugzilla.suse.com/show_bug.cgi?id=1243110

Announcement ID: SUSE-SU-2025:01889-1
Release Date: 2025-06-11T05:43:41Z
Affected Products: * openSUSE Leap 15.4 * openSUSE Leap 15.6 * Server Applications Module 15-SP6 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP6

Topics%20covered

Topics Covered

security advisory moderate software update DoS openSUSE nbdkit

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