CVEvulnerability

CVE-2023-5215

6.5 MEDIUM Published 2023-09-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-09-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-241, CWE-252

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.

Affected configurations

• redhat libnbd (< 1.18.0) • redhat enterprise linux 8.0 • redhat enterprise linux 9.0

Related

Weakness · CWE (2)

  • CWE-241 Improper Handling of Unexpected Data Type weakness
  • CWE-252 Unchecked Return Value weakness

References