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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (59.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
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
- Red Hat Enterprise Linux — versions 9.0
- Red Hat Libnbd — versions 1.19.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2024:2204 (vendor-advisory)
- access.redhat.com/security/cve/CVE-2023-5871 (vdb-entry, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Issue Tracking, Vendor Advisory)
- lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/PFVUCMPF… (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.