CVE-2026-99099
Linux: x86/CPU/AMD: Fix AMD TLBI Erratum #1718
Linux LinuxOperating systemsCVSS
NoneNot scoredExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed in098d80b04d0fe02889c332d061db968f070b83a6Also 87db7795cbaaf636ae22ae031f4906db7bb77803CVE List
What fixes it
- 098d80b04d0fe02889c332d061db968f070b83a6LinuxCVE List
- 87db7795cbaaf636ae22ae031f4906db7bb77803LinuxCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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.
Text from CVE List
Affected versions 8
- Linuxaffected: 82378c6c2f435dba66145609de16bf44a9de6303 before e3e6779f77ab6f0a1aa80e24868d2d89f31053feCVE List
- Linuxaffected: 82378c6c2f435dba66145609de16bf44a9de6303 before 098d80b04d0fe02889c332d061db968f070b83a6CVE List
- Linuxaffected: 82378c6c2f435dba66145609de16bf44a9de6303 before 87db7795cbaaf636ae22ae031f4906db7bb77803CVE List
- Linuxaffected: 6.15CVE List
- Linuxunaffected: all versions before 6.15CVE List
- Linuxunaffected: 6.18.57 through 6.18.*CVE List
- Linuxunaffected: 7.2.11 through 7.2.*CVE List
- Linuxunaffected: 7.3CVE List