{
  "fix": "ELSA-2026-50318",
  "url": "https://patchblox.com/security/fix/linux/elsa-2026-50318",
  "summary": "ELSA-2026-50318, released June 15, 2026, fixes 5 CVEs across 19 products. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 19 packages",
  "released": "2026-06-15T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-31533, rated Critical",
  "supported": true,
  "cveCount": 5,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00471,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://linux.oracle.com/errata/ELSA-2026-50318.html",
  "appliesTo": [
    {
      "product": "bpftool",
      "productUrl": "https://patchblox.com/security/product/linux/bpftool",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "bpftool",
      "productUrl": "https://patchblox.com/security/product/linux/bpftool",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-container",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-container",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-container",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-container",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-container-debug",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-container-debug",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-container-debug",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-container-debug",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-core",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-core",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-debug",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-debug",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-debug",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-debug",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-debug-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-debug-core",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-debug-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-debug-core",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-debug-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-debug-devel",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-debug-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-debug-devel",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-debug-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-debug-modules",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-debug-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-debug-modules",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-debug-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-debug-modules-extra",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-debug-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-debug-modules-extra",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-devel",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-devel",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-doc",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-doc",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-doc",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-doc",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-modules",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-modules",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-modules-extra",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek-modules-extra",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek64k",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek64k",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek64k",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek64k",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek64k-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek64k-core",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek64k-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek64k-core",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek64k-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek64k-devel",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek64k-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek64k-devel",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek64k-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek64k-modules",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek64k-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek64k-modules",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek64k-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek64k-modules-extra",
      "release": "ol 8",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    },
    {
      "product": "kernel-uek64k-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-uek64k-modules-extra",
      "release": "ol 9",
      "fixedVersion": "0:5.15.0-321.202.5.2.el9uek",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-31533",
      "url": "https://patchblox.com/security/cve/CVE-2026-31533",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  net/tls: fix use-after-free in -EBUSY error path...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00398,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31669",
      "url": "https://patchblox.com/security/cve/CVE-2026-31669",
      "title": "mptcp: fix slab-use-after-free in __inet_lookup_established",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.00471,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31657",
      "url": "https://patchblox.com/security/cve/CVE-2026-31657",
      "title": "batman-adv: hold claim backbone gateways by reference",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.00399,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31504",
      "url": "https://patchblox.com/security/cve/CVE-2026-31504",
      "title": "net: fix fanout UAF in packet_release() via NETDEV_UP race",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00105,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-50073",
      "url": "https://patchblox.com/security/cve/CVE-2022-50073",
      "title": "net: tap: NULL pointer derefence in dev_parse_header_protocol when skb-\u003Edev is null",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.00206,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}