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.
CVSS Score
CRITICAL
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 vulnerability with a CVSS score of 9.3 (CRITICAL). 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?
CVE-2023-53769 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.
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.