{
  "fix": "ALSA-2021:4356",
  "url": "https://patchblox.com/security/fix/linux/alsa-2021-4356",
  "summary": "ALSA-2021:4356, released November 9, 2021, fixes 45 CVEs in kernel-tools-libs-devel (version 4.18.0-348.el8). None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel-tools-libs-devel security update",
  "released": "2021-11-09T09:08:02Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2021-31440, high severity",
  "supported": true,
  "cveCount": 45,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.07604,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://osv.dev/vulnerability/ALSA-2021:4356",
  "appliesTo": [
    {
      "product": "kernel-tools-libs-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-tools-libs-devel",
      "release": "almalinux 8",
      "fixedVersion": "4.18.0-348.el8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2021-31440",
      "url": "https://patchblox.com/security/cve/CVE-2021-31440",
      "title": "kernel-debug-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7,
      "epss": 0.01754,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-33033",
      "url": "https://patchblox.com/security/cve/CVE-2021-33033",
      "title": "kernel-rt-devel: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00571,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3489",
      "url": "https://patchblox.com/security/cve/CVE-2021-3489",
      "title": "kernel-rt-debug-modules-extra: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.0055,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36386",
      "url": "https://patchblox.com/security/cve/CVE-2020-36386",
      "title": "kernel-zfcpdump: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.1,
      "epss": 0.00549,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-23133",
      "url": "https://patchblox.com/security/cve/CVE-2021-23133",
      "title": "kernel-rt-debug-kvm: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7,
      "epss": 0.00475,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-20194",
      "url": "https://patchblox.com/security/cve/CVE-2021-20194",
      "title": "kernel-tools-libs-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.004,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-33200",
      "url": "https://patchblox.com/security/cve/CVE-2021-33200",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00377,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-29368",
      "url": "https://patchblox.com/security/cve/CVE-2020-29368",
      "title": "kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7,
      "epss": 0.00365,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3600",
      "url": "https://patchblox.com/security/cve/CVE-2021-3600",
      "title": "kernel-rt-debug-devel: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00282,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3348",
      "url": "https://patchblox.com/security/cve/CVE-2021-3348",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7,
      "epss": 0.00264,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-26147",
      "url": "https://patchblox.com/security/cve/CVE-2020-26147",
      "title": "kernel-rt-modules: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.4,
      "epss": 0.07604,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-26139",
      "url": "https://patchblox.com/security/cve/CVE-2020-26139",
      "title": "kernel-rt-kvm: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.3,
      "epss": 0.06487,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-24586",
      "url": "https://patchblox.com/security/cve/CVE-2020-24586",
      "title": "kernel-rt-modules: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.3,
      "epss": 0.05765,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-26146",
      "url": "https://patchblox.com/security/cve/CVE-2020-26146",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.3,
      "epss": 0.05622,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-26144",
      "url": "https://patchblox.com/security/cve/CVE-2020-26144",
      "title": "Windows Wireless Networking Spoofing Vulnerability",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.04913,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-26143",
      "url": "https://patchblox.com/security/cve/CVE-2020-26143",
      "title": "kernel-rt-kvm: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.04173,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-24588",
      "url": "https://patchblox.com/security/cve/CVE-2020-24588",
      "title": "Windows Wireless Networking Spoofing Vulnerability",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.03611,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-26145",
      "url": "https://patchblox.com/security/cve/CVE-2020-26145",
      "title": "kernel-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.03515,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-26141",
      "url": "https://patchblox.com/security/cve/CVE-2020-26141",
      "title": "kernel-rt-kvm: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.03072,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-26140",
      "url": "https://patchblox.com/security/cve/CVE-2020-26140",
      "title": "kernel-rt-kvm: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.5,
      "epss": 0.02923,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-24587",
      "url": "https://patchblox.com/security/cve/CVE-2020-24587",
      "title": "Windows Wireless Networking Information Disclosure Vulnerability",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.02592,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36158",
      "url": "https://patchblox.com/security/cve/CVE-2020-36158",
      "title": "kernel-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.7,
      "epss": 0.02305,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2019-14615",
      "url": "https://patchblox.com/security/cve/CVE-2019-14615",
      "title": "kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.01459,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-29155",
      "url": "https://patchblox.com/security/cve/CVE-2021-29155",
      "title": "kernel-debug-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.01071,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-0129",
      "url": "https://patchblox.com/security/cve/CVE-2021-0129",
      "title": "kernel-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.7,
      "epss": 0.00827,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3679",
      "url": "https://patchblox.com/security/cve/CVE-2021-3679",
      "title": "kernel-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00751,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-31916",
      "url": "https://patchblox.com/security/cve/CVE-2021-31916",
      "title": "kernel-doc: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.7,
      "epss": 0.00704,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-0427",
      "url": "https://patchblox.com/security/cve/CVE-2020-0427",
      "title": "kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00492,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3564",
      "url": "https://patchblox.com/security/cve/CVE-2021-3564",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.3,
      "epss": 0.00485,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-27777",
      "url": "https://patchblox.com/security/cve/CVE-2020-27777",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.7,
      "epss": 0.00476,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-29660",
      "url": "https://patchblox.com/security/cve/CVE-2020-29660",
      "title": "kernel-debug-modules-extra: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.4,
      "epss": 0.00474,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-29650",
      "url": "https://patchblox.com/security/cve/CVE-2021-29650",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00413,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-28971",
      "url": "https://patchblox.com/security/cve/CVE-2021-28971",
      "title": "kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00385,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3573",
      "url": "https://patchblox.com/security/cve/CVE-2021-3573",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.7,
      "epss": 0.0037,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-28950",
      "url": "https://patchblox.com/security/cve/CVE-2021-28950",
      "title": "kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.0036,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3732",
      "url": "https://patchblox.com/security/cve/CVE-2021-3732",
      "title": "kernel-tools-libs-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "moderate",
      "cvss": 5.5,
      "epss": 0.00353,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-24503",
      "url": "https://patchblox.com/security/cve/CVE-2020-24503",
      "title": "kernel-rt-modules: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00345,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-31829",
      "url": "https://patchblox.com/security/cve/CVE-2021-31829",
      "title": "kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.2,
      "epss": 0.00313,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-36312",
      "url": "https://patchblox.com/security/cve/CVE-2020-36312",
      "title": "kernel-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 3.3,
      "epss": 0.00313,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-24502",
      "url": "https://patchblox.com/security/cve/CVE-2020-24502",
      "title": "kernel-rt-modules: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.0031,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-29646",
      "url": "https://patchblox.com/security/cve/CVE-2021-29646",
      "title": "kernel-debug-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.0031,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2020-24504",
      "url": "https://patchblox.com/security/cve/CVE-2020-24504",
      "title": "kernel-rt-debug-modules: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00298,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3659",
      "url": "https://patchblox.com/security/cve/CVE-2021-3659",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n* kernel: ou...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00272,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-20239",
      "url": "https://patchblox.com/security/cve/CVE-2021-20239",
      "title": "kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 3.8,
      "epss": 0.00255,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2021-3635",
      "url": "https://patchblox.com/security/cve/CVE-2021-3635",
      "title": "kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 4.4,
      "epss": 0.00248,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}