CVE-2026-99099
High
Description
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux
PublishedOct 26, 2026
First seenOct 26, 2026
How to fix
Update
- Linux Linuxe3e6779f77ab6f0a1aa80e24868d2d89f31053fe, 098d80b04d0fe02889c332d061db968f070b83a6, 87db7795cbaaf636ae22ae031f4906db7bb77803 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 82378c6c2f435dba66145609de16bf44a9de6303 ≤ v < e3e6779f77ab6f0a1aa80e24868d2d89f31053fe, 82378c6c2f435dba66145609de16bf44a9de6303 ≤ v < 098d80b04d0fe02889c332d061db968f070b83a6, 82378c6c2f435dba66145609de16bf44a9de6303 ≤ v < 87db7795cbaaf636ae22ae031f4906db7bb77803, 6.15 | e3e6779f77ab6f0a1aa80e24868d2d89f31053fe, 098d80b04d0fe02889c332d061db968f070b83a6, 87db7795cbaaf636ae22ae031f4906db7bb77803 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.