AUGUST 4, 2026
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Case File

CVE-2023-53769

CRITICAL · CVSS 9.3 EPSS 0.11%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-12-08 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.3. It affects Linux.

CVE
CVE-2023-53769
Severity
CRITICAL
CVSS
9.3
EPSS
0.11%
Linux

Original NVD Description

In the Linux kernel, the following vulnerability has been resolved: virt/coco/sev-guest: Double-buffer messages The encryption algorithms read and write directly to shared unencrypted memory, which may leak information as well as permit the host to tamper with the message integrity. Instead, copy whole messages in or out as needed before doing any computation on them.