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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (5.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
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
- Red Hat Enterprise Linux
Weakness classification (CWE)
References
- nvidia.custhelp.com/app/answers/detail/a_id/5491 (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.