{
  "fix": "RHSA-2023:4531",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2023-4531",
  "summary": "RHSA-2023:4531, released August 8, 2023, fixes 3 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": "2023-08-08T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2022-42896, high severity",
  "supported": true,
  "cveCount": 3,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02462,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2023:4531",
  "appliesTo": [
    {
      "product": "kpatch-patch-4_18_0-477_10_1",
      "productUrl": "https://patchblox.com/security/product/linux/kpatch-patch-4-18-0-477-10-1",
      "release": "RHEL 8",
      "fixedVersion": "0:1-2.el8_8",
      "supported": true
    },
    {
      "product": "kpatch-patch-4_18_0-477_13_1",
      "productUrl": "https://patchblox.com/security/product/linux/kpatch-patch-4-18-0-477-13-1",
      "release": "RHEL 8",
      "fixedVersion": "0:1-1.el8_8",
      "supported": true
    },
    {
      "product": "kpatch-patch-4_18_0-477_15_1",
      "productUrl": "https://patchblox.com/security/product/linux/kpatch-patch-4-18-0-477-15-1",
      "release": "RHEL 8",
      "fixedVersion": "0:1-1.el8_8",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2022-42896",
      "url": "https://patchblox.com/security/cve/CVE-2022-42896",
      "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: u...",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.02462,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-1829",
      "url": "https://patchblox.com/security/cve/CVE-2023-1829",
      "title": "linux: A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.01056,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-1281",
      "url": "https://patchblox.com/security/cve/CVE-2023-1281",
      "title": "linux: Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation.\u00A0The...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00304,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T12:40:37Z"
}