{
  "fix": "RHSA-2026:87374",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-87374",
  "summary": "RHSA-2026:87374, released October 24, 2026, fixes 7 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 12 packages",
  "released": "2026-10-24T13:26:35Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-80590, high severity",
  "supported": true,
  "cveCount": 7,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00578,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:87374",
  "appliesTo": [
    {
      "product": "kernel-rt",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-core",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-core",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-kvm",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-kvm",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-modules",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-modules-extra",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-kvm",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-kvm",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-modules",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-modules-extra",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.177.1.rt7.518.el8_10",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-80590",
      "url": "https://patchblox.com/security/cve/CVE-2026-80590",
      "title": "inet: frags: strip GSO state from fragments before reassembly",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00578,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64572",
      "url": "https://patchblox.com/security/cve/CVE-2026-64572",
      "title": "ipv4: fib: free fib_alias with kfree_rcu() on insert error path",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00201,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68202",
      "url": "https://patchblox.com/security/cve/CVE-2026-68202",
      "title": "ALSA: seq: close a re-opened queue timer in the destructor",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00177,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-89777",
      "url": "https://patchblox.com/security/cve/CVE-2026-89777",
      "title": "vfio/pci: clear vdev-\u003Emsi_perm after freeing it on init failure",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00164,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-80536",
      "url": "https://patchblox.com/security/cve/CVE-2026-80536",
      "title": "xfs: bounds-check buffer log item\u0027s dirty bitmap",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.4,
      "epss": 0.00142,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64114",
      "url": "https://patchblox.com/security/cve/CVE-2026-64114",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.8,
      "epss": 0.00136,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64266",
      "url": "https://patchblox.com/security/cve/CVE-2026-64266",
      "title": "fuse: re-lock request before returning from fuse_ref_folio()",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00127,
      "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"
  }
}