NULL pointer dereference in Citrix Hypervisor
CVE-2023-31021
NVIDIA vGPU software for Windows and Linux contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where a malicious user in the guest VM can cause a NULL-pointer dereference, which may lead to denial of service.
EPSS: 0.002 (6.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Citrix Hypervisor
- Linux-kvm Kernel_virtual_machine
- Microsoft Azure_stack_hci
- Nvidia Vgpu Driver And Cloud Gaming — versions All versions prior to and including 13.8, 15.3, 16.1 and all versions prior to and including September 2023 release
- Nvidia Virtual_gpu
- Vmware Vsphere
- Canonical Ubuntu_linux
- Redhat Enterprise_linux
Weakness classification (CWE)
References
- psirt@nvidia.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-31021?
- CVE-2023-31021 is a medium-severity vulnerability in Citrix Hypervisor, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2023-11-02.
- How severe is CVE-2023-31021?
- Medium severity. CVSS v3 base score is 5.5 out of 10.