Your kernel is too new. The exploit page is a bit sensationalist as there is indeed a fix that's been committed to the mainline kernels as of 1 April.
From https://www.cve.org/CVERecord?id=CVE-2026-31431
Defult Status: affected
affected
affected at 4.14
unaffected from 0 before 4.14
unaffected from 5.10.254 through 5.10.*
unaffected from 5.15.204 through 5.15.*
unaffected from 6.1.170 through 6.1.*
unaffected from 6.6.137 through 6.6.*
unaffected from 6.12.85 through 6.12.*
unaffected from 6.18.22 through 6.18.*
unaffected from 6.19.12 through 6.19.*
unaffected from 7.0
The study: https://www.nature.com/articles/s41586-025-09431-y
Real servers have lights out management and management networks.
Your kernel is too new. The exploit page is a bit sensationalist as there is indeed a fix that's been committed to the mainline kernels as of 1 April.
From https://www.cve.org/CVERecord?id=CVE-2026-31431
Defult Status: affected
affected
affected at 4.14
unaffected from 0 before 4.14
unaffected from 5.10.254 through 5.10.*
unaffected from 5.15.204 through 5.15.*
unaffected from 6.1.170 through 6.1.*
unaffected from 6.6.137 through 6.6.*
unaffected from 6.12.85 through 6.12.*
unaffected from 6.18.22 through 6.18.*
unaffected from 6.19.12 through 6.19.*
unaffected from 7.0