Description
In the Linux kernel before 6.6.7, an untrusted VMM can trigger int80 syscall handling at any given point. This is related to arch/x86/coco/tdx/tdx.c and arch/x86/mm/mem_encrypt_amd.c.
References (3)
Core 3
Scores
CVSS v3
8.8
EPSS
0.0028
EPSS Percentile
19.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-693
Status
published
Products (1)
linux/linux_kernel
< 6.6.7
Published
Feb 12, 2024
Tracked Since
Feb 18, 2026