CVE-2023-5215
Published: Sep 28, 2023
Modified: Nov 8, 2025
CVSS v3.1
5.3
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.
| Vendor | Product | Versions |
|---|---|---|
Red Hat | Red Hat Enterprise Linux 9 | unaffected 0:1.18.1-3.el9 - < * |
Red Hat | Red Hat Enterprise Linux 8 | All versions |
Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | All versions |
Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | All versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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