{
  "fix": "RHSA-2026:55445",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-55445",
  "summary": "RHSA-2026:55445, released June 24, 2026, fixes 12 CVEs in kernel (version 6.12.0-55.98.1.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel security update",
  "released": "2026-06-24T14:09:17Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2025-10263, rated Critical",
  "supported": true,
  "cveCount": 12,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01587,
  "maxCvss": 9.3,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:55445",
  "appliesTo": [
    {
      "product": "kernel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel",
      "release": "RHEL 10",
      "fixedVersion": "6.12.0-55.98.1.el10_0",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-10263",
      "url": "https://patchblox.com/security/cve/CVE-2025-10263",
      "title": "ARM: CVE-2025-10263 Completion of affected memory accesses might not be guaranteed by completion of a TLBI [kernel]",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.3,
      "epss": 0.00544,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23455",
      "url": "https://patchblox.com/security/cve/CVE-2026-23455",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: nf_conntrack_h323: check for zero leng...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 9.1,
      "epss": 0.01587,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53264",
      "url": "https://patchblox.com/security/cve/CVE-2026-53264",
      "title": "net/sched: act_api: use RCU with deferred freeing for action lifecycle",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00485,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53000",
      "url": "https://patchblox.com/security/cve/CVE-2026-53000",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: nat: use kfree_rcu to release ops\nFlor...",
      "priority": "High",
      "severity": "important",
      "cvss": 7.8,
      "epss": 0.00183,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-71089",
      "url": "https://patchblox.com/security/cve/CVE-2025-71089",
      "title": "iommu: disable SVA when CONFIG_X86 is set",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00162,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53059",
      "url": "https://patchblox.com/security/cve/CVE-2026-53059",
      "title": "dm log: fix out-of-bounds write due to region_count overflow",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00141,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31488",
      "url": "https://patchblox.com/security/cve/CVE-2026-31488",
      "title": "drm/amd/display: Do not skip unrelated mode changes in DSC validation",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.0014,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-45998",
      "url": "https://patchblox.com/security/cve/CVE-2026-45998",
      "title": "rxrpc: Fix potential UAF after skb_unshare() failure",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 7.8,
      "epss": 0.00137,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43279",
      "url": "https://patchblox.com/security/cve/CVE-2026-43279",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nALSA: usb-audio: Add sanity check for OOB writes...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.8,
      "epss": 0.00123,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23375",
      "url": "https://patchblox.com/security/cve/CVE-2026-23375",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nmm: thp: deny THP for files on anonymous inodes\nf...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7.5,
      "epss": 0.00123,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23110",
      "url": "https://patchblox.com/security/cve/CVE-2026-23110",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: c...",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00113,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-71131",
      "url": "https://patchblox.com/security/cve/CVE-2025-71131",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\ncrypto: seqiv - Do not use req-\u003Eiv after crypto_a...",
      "priority": "Routine",
      "severity": "moderate",
      "cvss": 5.5,
      "epss": 0.00305,
      "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"
  }
}