{
  "fix": "RHSA-2026:15883",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-15883",
  "summary": "RHSA-2026:15883, released March 12, 2026, fixes 6 CVEs in kernel (version 6.12.0-55.72.1.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel security update",
  "released": "2026-03-12T22:28:45Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-31402, rated Critical",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01219,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:15883",
  "appliesTo": [
    {
      "product": "kernel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel",
      "release": "RHEL 10",
      "fixedVersion": "6.12.0-55.72.1.el10_0",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-31402",
      "url": "https://patchblox.com/security/cve/CVE-2026-31402",
      "title": "kernel-default: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues\n\nThe following security issues wer...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.01219,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23139",
      "url": "https://patchblox.com/security/cve/CVE-2026-23139",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  netfilter: nf_conncount: update last_gc only whe...",
      "priority": "High",
      "severity": "medium",
      "cvss": 7.6,
      "epss": 0.00383,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23401",
      "url": "https://patchblox.com/security/cve/CVE-2026-23401",
      "title": "KVM: x86/mmu: Drop/zap existing present SPTE even when creating an MMIO SPTE",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00191,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23243",
      "url": "https://patchblox.com/security/cve/CVE-2026-23243",
      "title": "RDMA/umad: Reject negative data_len in ib_umad_write",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.0018,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31532",
      "url": "https://patchblox.com/security/cve/CVE-2026-31532",
      "title": "can: raw: fix ro-\u003Euniq use-after-free in raw_rcv()",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00165,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23097",
      "url": "https://patchblox.com/security/cve/CVE-2026-23097",
      "title": "kernel-core: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: L...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.5,
      "epss": 0.00107,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}