{
  "fix": "RHSA-2024:0876",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2024-0876",
  "summary": "RHSA-2024:0876, released February 20, 2024, fixes 4 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 3 packages",
  "released": "2024-02-20T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-45871, high severity",
  "supported": true,
  "cveCount": 4,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00635,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2024:0876",
  "appliesTo": [
    {
      "product": "kpatch-patch-4_18_0-513_11_1",
      "productUrl": "https://patchblox.com/security/product/linux/kpatch-patch-4-18-0-513-11-1",
      "release": "RHEL 8",
      "fixedVersion": "0:1-1.el8_9",
      "supported": true
    },
    {
      "product": "kpatch-patch-4_18_0-513_5_1",
      "productUrl": "https://patchblox.com/security/product/linux/kpatch-patch-4-18-0-513-5-1",
      "release": "RHEL 8",
      "fixedVersion": "0:1-3.el8_9",
      "supported": true
    },
    {
      "product": "kpatch-patch-4_18_0-513_9_1",
      "productUrl": "https://patchblox.com/security/product/linux/kpatch-patch-4-18-0-513-9-1",
      "release": "RHEL 8",
      "fixedVersion": "0:1-2.el8_9",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-45871",
      "url": "https://patchblox.com/security/cve/CVE-2023-45871",
      "title": "kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00635,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4921",
      "url": "https://patchblox.com/security/cve/CVE-2023-4921",
      "title": "kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00419,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2024-0646",
      "url": "https://patchblox.com/security/cve/CVE-2024-0646",
      "title": "kpatch-patch-4_18_0-513_11_1: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00308,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-4623",
      "url": "https://patchblox.com/security/cve/CVE-2023-4623",
      "title": "kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00283,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}