CVE-2026-99099

Full vulnerability record from the local CVENow database.

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.

Severity

Not scored

CVSS score

Not available

Vulnerability status

Received

Source identifier

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-10-26 15:16:48.990000

Last modified

2026-10-26 15:16:48.990000

View original CVE JSON

{
  "id": "CVE-2026-99099",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-10-26T15:16:48.990",
  "lastModified": "2026-10-26T15:16:48.990",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/CPU/AMD: Fix AMD TLBI Erratum #1718\n\nThe processor may fail to invalidate a TLB entry while executing an\nINVLPGB/TLBSYNC instruction pair.\n\nDetect the erratum and apply a software workaround when a microcode fix\nis not present."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "arch/x86/include/asm/cpufeatures.h",
            "arch/x86/include/asm/tlb.h",
            "arch/x86/kernel/cpu/amd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "82378c6c2f435dba66145609de16bf44a9de6303",
              "lessThan": "e3e6779f77ab6f0a1aa80e24868d2d89f31053fe",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "82378c6c2f435dba66145609de16bf44a9de6303",
              "lessThan": "098d80b04d0fe02889c332d061db968f070b83a6",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "82378c6c2f435dba66145609de16bf44a9de6303",
              "lessThan": "87db7795cbaaf636ae22ae031f4906db7bb77803",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "arch/x86/include/asm/cpufeatures.h",
            "arch/x86/include/asm/tlb.h",
            "arch/x86/kernel/cpu/amd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "6.15",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "6.15",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.57",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2.11",
              "lessThanOrEqual": "7.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/098d80b04d0fe02889c332d061db968f070b83a6",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/87db7795cbaaf636ae22ae031f4906db7bb77803",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e3e6779f77ab6f0a1aa80e24868d2d89f31053fe",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}