{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "8a50c58519271dd24ba760bb282875f6ad66ee71"
            },
            {
              "fixed": "c51957601d32c0d195bce0b9345dfe93ef5728cc"
            },
            {
              "fixed": "9956d4892e78812246336c7ea51f5aa62018049e"
            },
            {
              "fixed": "79f0faf81d3bbbe5f07bf6892450d3740a1b290d"
            },
            {
              "fixed": "c1cf2218d2fa40a49921a7460981e5faab26f04e"
            },
            {
              "fixed": "1f6aa5bbf1d0f81a8a2aafc16136e7dd9a609ff3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.5.0"
            },
            {
              "fixed": "6.6.130"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.78"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.20"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31542.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/platform/uv: Handle deconfigured sockets\n\nWhen a socket is deconfigured, it's mapped to SOCK_EMPTY (0xffff). This causes\na panic while allocating UV hub info structures.\n\nFix this by using NUMA_NO_NODE, allowing UV hub info structures to be\nallocated on valid nodes.",
  "id": "CVE-2026-31542",
  "modified": "2026-07-15T01:48:54.952776274Z",
  "published": "2026-04-24T14:33:11.205Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1f6aa5bbf1d0f81a8a2aafc16136e7dd9a609ff3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/79f0faf81d3bbbe5f07bf6892450d3740a1b290d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9956d4892e78812246336c7ea51f5aa62018049e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c1cf2218d2fa40a49921a7460981e5faab26f04e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c51957601d32c0d195bce0b9345dfe93ef5728cc"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31542.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31542"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "x86/platform/uv: Handle deconfigured sockets"
}