# CVE-2026-99099: linux: In the Linux kernel, the following vulnerability has been resolved:  x86/CPU/AMD: Fix AMD TLBI Erratum #1718  The pro...

CVE-2026-99099 is fixed in linux on 1 platform by DEBIAN-CVE-2026-99099 (version 7.2.11-1), released October 27, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-99099
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0013
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 26, 2026

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 7.2.11-1 | [DEBIAN-CVE-2026-99099](https://patchblox.com/security/data/fix/linux/debian-cve-2026-99099.md) | Oct 27, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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