{
  "fix": "RHSA-2021:1739",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1739",
  "summary": "RHSA-2021:1739, released May 18, 2021, fixes 27 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": "2021-05-18T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2023-1390, high severity",
  "supported": true,
  "cveCount": 27,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.05095,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2021:1739",
  "appliesTo": [
    {
      "product": "kernel-rt",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    },
    {
      "product": "kernel-rt-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-core",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    },
    {
      "product": "kernel-rt-debug",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-core",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-kvm",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-kvm",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-modules",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-modules-extra",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    },
    {
      "product": "kernel-rt-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    },
    {
      "product": "kernel-rt-kvm",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-kvm",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    },
    {
      "product": "kernel-rt-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-modules",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    },
    {
      "product": "kernel-rt-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-modules-extra",
      "release": "RHEL 8",
      "fixedVersion": "0:4.18.0-305.rt7.72.el8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-1390",
      "url": "https://patchblox.com/security/cve/CVE-2023-1390",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.05095,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25643",
      "url": "https://patchblox.com/security/cve/CVE-2020-25643",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.2,
      "epss": 0.03292,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-27786",
      "url": "https://patchblox.com/security/cve/CVE-2020-27786",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01672,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-14356",
      "url": "https://patchblox.com/security/cve/CVE-2020-14356",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01004,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-19523",
      "url": "https://patchblox.com/security/cve/CVE-2019-19523",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00409,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-24394",
      "url": "https://patchblox.com/security/cve/CVE-2020-24394",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.1,
      "epss": 0.00361,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-12362",
      "url": "https://patchblox.com/security/cve/CVE-2020-12362",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00359,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25212",
      "url": "https://patchblox.com/security/cve/CVE-2020-25212",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00277,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-12464",
      "url": "https://patchblox.com/security/cve/CVE-2020-12464",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.7,
      "epss": 0.00802,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-28974",
      "url": "https://patchblox.com/security/cve/CVE-2020-28974",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5,
      "epss": 0.00517,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-11608",
      "url": "https://patchblox.com/security/cve/CVE-2020-11608",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.3,
      "epss": 0.00506,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-19528",
      "url": "https://patchblox.com/security/cve/CVE-2019-19528",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.1,
      "epss": 0.00488,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36694",
      "url": "https://patchblox.com/security/cve/CVE-2020-36694",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.6,
      "epss": 0.00444,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-12114",
      "url": "https://patchblox.com/security/cve/CVE-2020-12114",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.0044,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-15437",
      "url": "https://patchblox.com/security/cve/CVE-2020-15437",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.4,
      "epss": 0.00432,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-14314",
      "url": "https://patchblox.com/security/cve/CVE-2020-14314",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.00371,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25704",
      "url": "https://patchblox.com/security/cve/CVE-2020-25704",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.2,
      "epss": 0.00353,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-12363",
      "url": "https://patchblox.com/security/cve/CVE-2020-12363",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.00315,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-12364",
      "url": "https://patchblox.com/security/cve/CVE-2020-12364",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.00315,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-27835",
      "url": "https://patchblox.com/security/cve/CVE-2020-27835",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.4,
      "epss": 0.00312,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25284",
      "url": "https://patchblox.com/security/cve/CVE-2020-25284",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.1,
      "epss": 0.00308,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3428",
      "url": "https://patchblox.com/security/cve/CVE-2021-3428",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.00301,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-25285",
      "url": "https://patchblox.com/security/cve/CVE-2020-25285",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.4,
      "epss": 0.00272,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-35508",
      "url": "https://patchblox.com/security/cve/CVE-2020-35508",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.5,
      "epss": 0.00225,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-0431",
      "url": "https://patchblox.com/security/cve/CVE-2020-0431",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.7,
      "epss": 0.0022,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-0605",
      "url": "https://patchblox.com/security/cve/CVE-2021-0605",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.4,
      "epss": 0.00199,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-0342",
      "url": "https://patchblox.com/security/cve/CVE-2021-0342",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: I...",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.7,
      "epss": 0.00179,
      "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"
  }
}