{
  "fix": "RHSA-2026:0443",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-0443",
  "summary": "RHSA-2026:0443, released January 16, 2026, fixes 3 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": "2026-01-16T01:45:34Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-40240, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00644,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:0443",
  "appliesTo": [
    {
      "product": "kernel-rt",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.92.1.rt7.433.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-core",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.92.1.rt7.433.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.92.1.rt7.433.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-core",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.92.1.rt7.433.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.92.1.rt7.433.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-kvm",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-kvm",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.92.1.rt7.433.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-modules",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.92.1.rt7.433.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": "0:4.18.0-553.92.1.rt7.433.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.92.1.rt7.433.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-kvm",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-kvm",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.92.1.rt7.433.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-modules",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.92.1.rt7.433.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-modules-extra",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-553.92.1.rt7.433.el8_10",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-40240",
      "url": "https://patchblox.com/security/cve/CVE-2025-40240",
      "title": "sctp: avoid NULL dereference when chunk data buffer is missing",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.6,
      "epss": 0.00644,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-68285",
      "url": "https://patchblox.com/security/cve/CVE-2025-68285",
      "title": "libceph: fix potential use-after-free in have_mon_and_osd_map()",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00585,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-39993",
      "url": "https://patchblox.com/security/cve/CVE-2025-39993",
      "title": "media: rc: fix races with imon_disconnect()",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.0016,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}