Upstream information

CVE-2023-5215 at MITRE

Description

A flaw was found in libnbd. A server can reply with a block size larger than 2^63 (the NBD spec states the size is a 64-bit unsigned value). This issue could lead to an application crash or other unintended behavior for NBD clients that doesn't treat the return value of the nbd_get_size() function correctly.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 6.5 5.3
Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Adjacent Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High Low
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1215799 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
openSUSE Leap 15.4
  • libnbd >= 1.18.1-150300.8.15.1
  • libnbd-bash-completion >= 1.18.1-150300.8.15.1
  • libnbd-devel >= 1.18.1-150300.8.15.1
  • libnbd0 >= 1.18.1-150300.8.15.1
  • nbdfuse >= 1.18.1-150300.8.15.1
 Patchnames:
openSUSE-SLE-15.4-2023-4222
openSUSE Leap 15.5
  • libnbd >= 1.18.1-150300.8.15.1
  • libnbd-bash-completion >= 1.18.1-150300.8.15.1
  • libnbd-devel >= 1.18.1-150300.8.15.1
  • libnbd0 >= 1.18.1-150300.8.15.1
  • nbdfuse >= 1.18.1-150300.8.15.1
  • python3-libnbd >= 1.18.1-150300.8.15.1
 Patchnames:
openSUSE-SLE-15.5-2023-4222
openSUSE Tumbleweed
  • libnbd >= 1.18.0-1.1
  • libnbd-bash-completion >= 1.18.0-1.1
  • libnbd-devel >= 1.18.0-1.1
  • libnbd0 >= 1.18.0-1.1
  • nbdfuse >= 1.18.0-1.1
  • python3-libnbd >= 1.18.0-1.1
 Patchnames:
openSUSE Tumbleweed GA libnbd-1.18.0-1.1

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
openSUSE Leap 15.5 libnbd Released
Products past their end of life and not receiving proactive updates anymore.
openSUSE Leap 15.3 libnbd Released
openSUSE Leap 15.4 libnbd Released
Container Status
suse/sles/15.5/cdi-uploadserver:1.55.0 libnbdAffected

SUSE Timeline for this CVE

CVE page created: Wed Sep 27 22:00:17 2023
CVE page last modified: Tue Jan 9 16:35:48 2024