Vulnerability 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.
References
- https://git.kernel.org/stable/c/4b69c63f716cfda38e1210e65b68f67f6cee2ddf
- https://git.kernel.org/stable/c/577a64725bfd77645986168e953d405067ee565b
- https://git.kernel.org/stable/c/965006103a14703cc42043bbf9b5e0cdf7a468ad
- https://git.kernel.org/stable/c/c27dafc4aa50a29ec927b3aa84ac7b430071f682
FAQ
What is CVE-2023-53769?
CVE-2023-53769 is a documented vulnerability. 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 ...
How severe is CVE-2023-53769?
CVSS scoring is not yet available for CVE-2023-53769. Check NVD for updates.
Is there a patch for CVE-2023-53769?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.