CVE•Published 2025-12-08•Modified 2026-08-04•1 article on news•4 live references•NVD data
CVE-2023-53769
Vulnerability data via NVD (ingested)
CVSS v3.1
9.3
CRITICAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
1
Exploit Prediction Scoring System · top 99% of all CVEs
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.
Timeline
Published 2025-12-08
Modified 2026-08-04
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2023-53769Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-53769Censys host search filtered to this CVE id.
grep.app
CVE-2023-53769Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-53769GitHub code search for direct mentions.
Google dork
"CVE-2023-53769" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2023-53769 on GitHub.