Linux kernel: AMD TLBI #1718 TLB invalidation erratum mitigated
CVE-2026-99099 Published on October 26, 2026
x86/CPU/AMD: Fix AMD TLBI Erratum #1718
In the Linux kernel, the following vulnerability has been resolved:
x86/CPU/AMD: Fix AMD TLBI Erratum #1718
The processor may fail to invalidate a TLB entry while executing an
INVLPGB/TLBSYNC instruction pair.
Detect the erratum and apply a software workaround when a microcode fix
is not present.
Products Associated with CVE-2026-99099
Want to know whenever a new CVE is published for Linux Kernel? stack.watch will email you.
Affected Versions
Linux:- Version 82378c6c2f435dba66145609de16bf44a9de6303 and below e3e6779f77ab6f0a1aa80e24868d2d89f31053fe is affected.
- Version 82378c6c2f435dba66145609de16bf44a9de6303 and below 098d80b04d0fe02889c332d061db968f070b83a6 is affected.
- Version 82378c6c2f435dba66145609de16bf44a9de6303 and below 87db7795cbaaf636ae22ae031f4906db7bb77803 is affected.
- Version 6.15 is affected.
- Before 6.15 is unaffected.
- Version 6.18.57, <= 6.18.* is unaffected.
- Version 7.2.11, <= 7.2.* is unaffected.
- Version 7.3, <= * is unaffected.