CVE-2023-53208 is a vulnerability in the Linux kernel's KVM (Kernel-based Virtual Machine) subsystem, specifically affecting nested virtualization with AMD processors. It involves an incorrect assertion related to the TSC (Timestamp Counter) multiplier loading for nested guests, which can lead to a kernel warning. Rated as Medium severity (CVSS 5.5), the vulnerability has a local attack vector with low attack complexity, potentially resulting in a denial of service (system crash) for the affected host. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.16, < 6.1.54CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.2, < 6.5.4CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.