{
  "fix": "RHSA-2026:88477",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-88477",
  "summary": "RHSA-2026:88477, released September 24, 2026, fixes 18 CVEs in kernel (version 6.12.0-211.68.1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel security update",
  "released": "2026-09-24T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-68236, rated Critical",
  "supported": true,
  "cveCount": 18,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00578,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:88477",
  "appliesTo": [
    {
      "product": "kernel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel",
      "release": "RHEL 10",
      "fixedVersion": "6.12.0-211.68.1.el10_2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-68236",
      "url": "https://patchblox.com/security/cve/CVE-2026-68236",
      "title": "drm/amd/display: set new_stream to NULL after release",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00126,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-80590",
      "url": "https://patchblox.com/security/cve/CVE-2026-80590",
      "title": "inet: frags: strip GSO state from fragments before reassembly",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00578,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64048",
      "url": "https://patchblox.com/security/cve/CVE-2026-64048",
      "title": "python3-perf: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: n...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00501,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68278",
      "url": "https://patchblox.com/security/cve/CVE-2026-68278",
      "title": "drm/dp/mst: fix buffer overflows in sideband chunk accumulation",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.00238,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-38147",
      "url": "https://patchblox.com/security/cve/CVE-2025-38147",
      "title": "calipso: Don\u0027t call calipso functions for AF_INET sk.",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00227,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64572",
      "url": "https://patchblox.com/security/cve/CVE-2026-64572",
      "title": "ipv4: fib: free fib_alias with kfree_rcu() on insert error path",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00201,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-89791",
      "url": "https://patchblox.com/security/cve/CVE-2026-89791",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  perf: Fix use-after-free when perf mmap() reviva...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.8,
      "epss": 0.00184,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68202",
      "url": "https://patchblox.com/security/cve/CVE-2026-68202",
      "title": "ALSA: seq: close a re-opened queue timer in the destructor",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00177,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64481",
      "url": "https://patchblox.com/security/cve/CVE-2026-64481",
      "title": "ALSA: hda/cs35l41: Fix firmware load work teardown",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00176,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-89811",
      "url": "https://patchblox.com/security/cve/CVE-2026-89811",
      "title": "drm/amdkfd: Add TLB flush after MES queue eviction/suspension",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00175,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97493",
      "url": "https://patchblox.com/security/cve/CVE-2026-97493",
      "title": "drm/amdgpu: Bound GPIO I2C table entry count from VBIOS",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00174,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-80887",
      "url": "https://patchblox.com/security/cve/CVE-2026-80887",
      "title": "drm/vmwgfx: use check_add_overflow for shader size\u002Boffset bound",
      "priority": "High",
      "severity": "important",
      "cvss": 8.1,
      "epss": 0.00168,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68448",
      "url": "https://patchblox.com/security/cve/CVE-2026-68448",
      "title": "ovl: check access to copy_file_range source with src mounter creds",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00161,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-80536",
      "url": "https://patchblox.com/security/cve/CVE-2026-80536",
      "title": "xfs: bounds-check buffer log item\u0027s dirty bitmap",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.4,
      "epss": 0.00142,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64114",
      "url": "https://patchblox.com/security/cve/CVE-2026-64114",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.8,
      "epss": 0.00136,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68245",
      "url": "https://patchblox.com/security/cve/CVE-2026-68245",
      "title": "drm/amdgpu: fix lifetime issue of amdgpu_vm_get_task_info_pasid()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.0013,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-93817",
      "url": "https://patchblox.com/security/cve/CVE-2026-93817",
      "title": "perf: Fix addr_filter_ranges lifetime",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00129,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64266",
      "url": "https://patchblox.com/security/cve/CVE-2026-64266",
      "title": "fuse: re-lock request before returning from fuse_ref_folio()",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00127,
      "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"
  }
}