{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "ade3082dcdee17c5767069883936d64ff83f6c9f"
            },
            {
              "fixed": "a97aa838903d15f865d80809f5198ff459c6634a"
            },
            {
              "fixed": "07aca7d25ce8578fedde49855983a01c537a782b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.117"
            },
            {
              "fixed": "6.18.63"
            },
            {
              "fixed": "7.3.4"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.117"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.63"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.3.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/99xxx/CVE-2026-99286.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nxen-netback: Fix XenBus connection failure cleanup\n\nxenvif_get_stats and xenvif_get_ethtool_stats capture vif-\u003enum_queues\nunder rcu_read_lock. We need to unpublish vif-\u003enum_queues before\nsynchronize_net to ensure that readers that come afterwards will not\nread a non-zero vif-\u003enum_queues and attempt to access invalid queues.\n\nThis is the same cleanup algorithm as used in backend_disconnect and\nadded in commit b17075d5c198 (\"xen-netback: fix race condition on XenBus\ndisconnect\").\n\nThis is XSA-531",
  "id": "CVE-2026-99286",
  "modified": "2026-11-12T02:30:55.657705879Z",
  "published": "2026-11-10T18:16:53.997Z",
  "references": [
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/11/10/25"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/07aca7d25ce8578fedde49855983a01c537a782b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a97aa838903d15f865d80809f5198ff459c6634a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ade3082dcdee17c5767069883936d64ff83f6c9f"
    },
    {
      "type": "ADVISORY",
      "url": "http://xenbits.xen.org/xsa/advisory-531.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/99xxx/CVE-2026-99286.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-99286"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.2",
  "summary": "xen-netback: Fix XenBus connection failure cleanup"
}