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CVE-2026-31542 x86/platform/uv: Handle deconfigured sockets

🗓️ 24 Apr 2026 14:33:11Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Linux kernel fix: x86 platform uv deconfigured sockets now use NUMA_NO_NODE to allocate hub info.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/apic/x2apic_uv_x.c"
    ],
    "versions": [
      {
        "version": "8a50c58519271dd24ba760bb282875f6ad66ee71",
        "lessThan": "c51957601d32c0d195bce0b9345dfe93ef5728cc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a50c58519271dd24ba760bb282875f6ad66ee71",
        "lessThan": "9956d4892e78812246336c7ea51f5aa62018049e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a50c58519271dd24ba760bb282875f6ad66ee71",
        "lessThan": "79f0faf81d3bbbe5f07bf6892450d3740a1b290d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a50c58519271dd24ba760bb282875f6ad66ee71",
        "lessThan": "c1cf2218d2fa40a49921a7460981e5faab26f04e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8a50c58519271dd24ba760bb282875f6ad66ee71",
        "lessThan": "1f6aa5bbf1d0f81a8a2aafc16136e7dd9a609ff3",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/apic/x2apic_uv_x.c"
    ],
    "versions": [
      {
        "version": "6.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.78",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.20",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.10",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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