libnbd-security(3) LIBNBD libnbd-security(3)

libnbd-security - information about past security issues in libnbd

This page details past security issues found in libnbd.

For how to report new security issues, see the "SECURITY" file in the top level source directory, also available online here: https://gitlab.com/nbdkit/libnbd/blob/master/SECURITY

CVE-2019-14842 protocol downgrade attack when using "LIBNBD_TLS_REQUIRE"

See the full announcement and links to mitigation, tests and fixes here: https://www.redhat.com/archives/libguestfs/2019-September/msg00128.html

See the full announcement here: https://www.redhat.com/archives/libguestfs/2019-October/msg00060.html

CVE-2021-20286 denial of service when using nbd_set_opt_mode(3)

See the full announcement here: https://listman.redhat.com/archives/libguestfs/2021-March/msg00092.html

CVE-2022-0485 silent data corruption when using nbdcopy(1)

See the full announcement here: https://listman.redhat.com/archives/libguestfs/2022-February/msg00104.html

See the full announcement here: https://listman.redhat.com/archives/libguestfs/2023-July/032035.html

CVE-2023-5215 negative size result from nbd_get_size(3)

See the full announcement here: https://listman.redhat.com/archives/libguestfs/2023-September/032711.html

CVE-2023-5871 assertion failure for 64-bit flags passed to nbd_block_status(3)

See the full announcement here: https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/5CRC7LRTN35WPZZ4BT6NAMH4JGMF47IK/

libnbd(3).

Eric Blake

Richard W.M. Jones

Copyright Red Hat

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

2024-05-31 libnbd-1.20.0