Vulnerability in Red Hat Enterprise Linux 6
CVE-2023-5871
A flaw was found in libnbd, due to a malicious Network Block Device (NBD), a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service.
EPSS: 0.009 (56.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9 — versions 0:1.18.1-3.el9
- Redhat Enterprise_linux — versions 9.0
- Redhat Libnbd — versions 1.19.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (Patch, Mailing List)
Frequently asked questions
- What is CVE-2023-5871?
- CVE-2023-5871 is a medium-severity vulnerability in Red Hat Enterprise Linux 6, classified under Reachable Assertion. CVSS score: 5.3/10. Published 2023-11-27.
- How severe is CVE-2023-5871?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-5871 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.