GHSA-3jg5-f6fr-mw89

GHSA-3jg5-f6fr-mw89 PUBLISHED CVSS 9.300000190734863 CRITICAL

Record from GitHub Advisory Database · Published December 8, 2025

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.

Risk scores

CVSS 3.1

9.300000190734863

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Timeline

Dec 8, 2025 CVE Published
Apr 10, 2026 Security Advisory

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The same record, from the CLI:

vulnetix vdb vuln GHSA-3jg5-f6fr-mw89
vulnetix vdb fixes GHSA-3jg5-f6fr-mw89

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/GHSA-3jg5-f6fr-mw89/fixes/registry"

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