Buffer overflow in Citrix Hypervisor
CVE-2023-0188
NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer handler, where an unprivileged user can cause improper restriction of operations within the bounds of a memory buffer cause an out-of-bounds read, which may lead to denial of service.
Vulnerability class: Buffer Overflow
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 (12.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.2% 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 Kernel
- Microsoft Windows
- NVIDIA Vgpu Software (Guest Driver - Windows), Linux), (Virtual GPU Manager Citrix Hypervisor, VMware Vsphere, Red Hat Enterprise Linux Kvm), Cloud Gaming Kvm) — versions All versions prior to and including 15.1, 13.6, 11.11, and all versions prior to and including February 2023 release
- NVIDIA Virtual GPU
- VMware Vsphere
- Red Hat Enterprise Linux Kernel-Based Virtual Machine
Weakness classification (CWE)
References
- nvidia.custhelp.com/app/answers/detail/a_id/5452 (Vendor Advisory)
- security.gentoo.org/glsa/202310-02 (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-0188?
- CVE-2023-0188 is a medium-severity vulnerability in Citrix Hypervisor, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2023-04-01.
- How severe is CVE-2023-0188?
- Medium severity. CVSS v3 base score is 5.5 out of 10.