Description

A flaw was found in libnbd. The client did not always correctly verify the NBD server's certificate when using TLS to connect to an NBD server. This issue allows a man-in-the-middle attack on NBD traffic.

Classification

CVE ID: CVE-2024-7383

CVSS Base Severity: HIGH

CVSS Base Score: 7.4

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Products

Vendor: , Red Hat

Product: , Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8 Advanced Virtualization

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.13% (probability of being exploited)

EPSS Percentile: 33.59% (scored less or equal to compared to others)

EPSS Date: 2025-06-15 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: none

SSVC Technical Impact: total

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2024-7383
https://access.redhat.com/errata/RHSA-2024:6757
https://access.redhat.com/errata/RHSA-2024:6964
https://access.redhat.com/security/cve/CVE-2024-7383
https://bugzilla.redhat.com/show_bug.cgi?id=2302865
https://lists.libguestfs.org/archives/list/[email protected]/message/LHR3BW6RJ7K4BJBQIYV3GTZLSY27VZO2
https://lists.libguestfs.org/archives/list/[email protected]/thread/ENZY4LHLARA3N4C3JUNLPYUCXHFO7BWQ/

Timeline