CVE-2023-3354
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections crosses a certain threshold and if so, cleans up the previous connection. If the previous connection happens to be in the handshake phase and fails, QEMU cleans up the connection again, resulting in a NULL pointer dereference issue. This could allow a remote unauthenticated client to cause a denial of service.
Affected Software
| Vendor | Product | Version Range | Status |
|---|
Weaknesses
- CWE-476: NULL Pointer Dereference
ADP Enrichment
CVE Program Container
Additional References
- https://access.redhat.com/security/cve/CVE-2023-3354
- https://bugzilla.redhat.com/show_bug.cgi?id=2216478
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MURWGXDIF2WTDXV36T6HFJDBL632AO7R/
- https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html
References
- https://access.redhat.com/security/cve/CVE-2023-3354
- https://bugzilla.redhat.com/show_bug.cgi?id=2216478
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MURWGXDIF2WTDXV36T6HFJDBL632AO7R/
- https://lists.debian.org/debian-lts-announce/2024/03/msg00012.html
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.