Vulnerability in Red Hat Enterprise Linux 8
CVE-2023-5215
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 do…
EPSS: 0.000 (14.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 8 Advanced Virtualization
- Red Hat Enterprise Linux 9 — versions 0:1.18.1-3.el9
Weakness classification (CWE)
References
- RHSA-2024:2204 (vendor-advisory, x_refsource_REDHAT)
- access.redhat.com/security/cve/CVE-2023-5215 (vdb-entry, x_refsource_REDHAT)
- RHBZ#2241041 (issue-tracking, x_refsource_REDHAT)
- listman.redhat.com/archives/libguestfs/2023-September/032635.html
Frequently asked questions
- What is CVE-2023-5215?
- CVE-2023-5215 is a medium-severity vulnerability in Red Hat Enterprise Linux 8, classified under CWE-241. CVSS score: 5.3/10. Published 2023-09-28.
- How severe is CVE-2023-5215?
- Medium severity. CVSS v3 base score is 5.3 out of 10.