CVE record · CVE-2023-6683

Qemu: vnc: null pointer dereference in qemu_clipboard_request()

CVSS 6.5 MediumEPSS 0.013 · 69th percentile

Published by the CVE Program (CNA: redhat) at 12 Jan 2024, 19:01 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat Enterprise Linux 8 Package name: virt-devel:rhel https://access.redhat.com/downloads/content/package-browser/	unaffected 8100020240314161907.e155f54d to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 8 Package name: virt:rhel https://access.redhat.com/downloads/content/package-browser/	unaffected 8100020240314161907.e155f54d to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 9 Package name: qemu-kvm https://access.redhat.com/downloads/content/package-browser/	unaffected 17:8.2.0-11.el9_4 to before * rpm Other versions: affected
Red Hat	Red Hat Enterprise Linux 6 Package name: qemu-kvm https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 7 Package name: qemu-kvm https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 7 Package name: qemu-kvm-ma https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat Enterprise Linux 8 Advanced Virtualization Package name: virt:av/qemu-kvm https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected

Identifiers: CVE-2023-6683
CNA: redhat
Weakness (CWE): CWE-476
Tags: Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8 Advanced Virtualization
Memory corruption
Published: 12 Jan 2024
Updated: 5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.5	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CNA (redhat)

CISA KEV Not listed.
EPSS 0.013, the 69th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

12 Jan 2024, 19:01 UTC Confirmed by the CVE List
12 Jan 2024, 19:15 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2024:2135 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2024:2962 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2023-6683 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2254825 issue-trackingredhat

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.