CVE-2026-99099 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux Subscribe	Linux Kernel Subscribe

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://git.kernel.org/stable/c/098d80b04d0fe02889c332d061db968f070b83a6
https://git.kernel.org/stable/c/87db7795cbaaf636ae22ae031f4906db7bb77803
https://git.kernel.org/stable/c/e3e6779f77ab6f0a1aa80e24868d2d89f31053fe

History

Mon, 26 Oct 2026 15:00:00 +0000

Type	Values Removed	Values Added
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.
Title		x86/CPU/AMD: Fix AMD TLBI Erratum #1718
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/098d80b04d0fe02889c332d061db968f070b83a6 https://git.kernel.org/stable/c/87db7795cbaaf636ae22ae031f4906db7bb77803 https://git.kernel.org/stable/c/e3e6779f77ab6f0a1aa80e24868d2d89f31053fe

Projects

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MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2026-10-26T14:52:04.997Z

Updated: 2026-10-26T14:52:04.997Z

Reserved: 2026-09-25T10:25:14.391Z

Link: CVE-2026-99099

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-10-26T15:16:48.990

Modified: 2026-10-26T15:16:48.990

Link: CVE-2026-99099

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

No weakness.

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