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CVE-2026-99099

x86/CPU/AMD: Fix AMD TLBI Erratum #1718

N/A
Published: October 26, 2026 at 02:52 PM UTC
Updated: October 26, 2026 at 03:16 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
6.1582378c6c2f435dba66145609de16bf44a9de6303
Vendor states this is fixed in 6.18.57 (unaffected)
Vendor states this is fixed in 7.2.11 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Source: cverecord
https://git.kernel.org/stable/c/e3e6779f77ab6f0a1aa80e24868d2d89f31053fe
Source: cverecord
https://git.kernel.org/stable/c/098d80b04d0fe02889c332d061db968f070b83a6
Source: cverecord
https://git.kernel.org/stable/c/87db7795cbaaf636ae22ae031f4906db7bb77803

Quick Info

StatusRECEIVED

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