CVE-2023-53769

critical · 9.3

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.

9.3

CVSS

0.1%

EPSS (exploit prob.)

1st

EPSS percentile

2025-12-08

Published

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

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2023-53769