{
  "fix": "RLSA-2026:25120",
  "url": "https://patchblox.com/security/fix/linux/rlsa-2026-25120",
  "summary": "RLSA-2026:25120, released June 12, 2026, fixes 13 CVEs in kernel-rt (version 0:4.18.0-553.132.1.rt7.473.el8_10). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel-rt security update",
  "released": "2026-06-12T18:01:31Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2025-68366, rated Critical",
  "supported": true,
  "cveCount": 13,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00688,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://errata.rockylinux.org/RLSA-2026:25120",
  "appliesTo": [
    {
      "product": "kernel-rt",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt",
      "release": "rocky 8",
      "fixedVersion": "0:4.18.0-553.132.1.rt7.473.el8_10",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-68366",
      "url": "https://patchblox.com/security/cve/CVE-2025-68366",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  nbd: defer config unlock in nbd_genl_connect  Th...",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.00198,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43037",
      "url": "https://patchblox.com/security/cve/CVE-2026-43037",
      "title": "ip6_tunnel: clear skb2-\u003Ecb[] in ip4ip6_err()",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00688,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43125",
      "url": "https://patchblox.com/security/cve/CVE-2026-43125",
      "title": "dlm: validate length in dlm_search_rsb_tree",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00538,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-22984",
      "url": "https://patchblox.com/security/cve/CVE-2026-22984",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nlibceph: prevent potential out-of-bounds reads in...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 8.8,
      "epss": 0.00407,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-22990",
      "url": "https://patchblox.com/security/cve/CVE-2026-22990",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nlibceph: replace overzealous BUG_ON in osdmap_app...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 8.8,
      "epss": 0.00403,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31613",
      "url": "https://patchblox.com/security/cve/CVE-2026-31613",
      "title": "smb: client: fix OOB reads parsing symlink error response",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00387,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43038",
      "url": "https://patchblox.com/security/cve/CVE-2026-43038",
      "title": "kpatch-patch-4_18_0-553_109_1: This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a run...",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00255,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-21858",
      "url": "https://patchblox.com/security/cve/CVE-2025-21858",
      "title": "kernel-64kb: The SUSE Linux Enterprise 15 SP7 kernel was updated to receive various security bugfixes.\n\n\nThe following security bu...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.0025,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-45852",
      "url": "https://patchblox.com/security/cve/CVE-2026-45852",
      "title": "kernel-uek-modules: [5.15.0-323.211.3.3]\n- Revert \u0027x86/alternatives: Add alt_instr.flags\u0027 (Harshit Mogalapalli)  [Orabug: 39853924]\n\n[5.1...",
      "priority": "High",
      "severity": "N/A",
      "cvss": 8.8,
      "epss": 0.00199,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-23392",
      "url": "https://patchblox.com/security/cve/CVE-2026-23392",
      "title": "netfilter: nf_tables: release flowtable after rcu grace period on error",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00165,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-53781",
      "url": "https://patchblox.com/security/cve/CVE-2023-53781",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  smc: Fix use-after-free in tcp_write_timer_handl...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00148,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46181",
      "url": "https://patchblox.com/security/cve/CVE-2026-46181",
      "title": "RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00144,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-31581",
      "url": "https://patchblox.com/security/cve/CVE-2026-31581",
      "title": "ALSA: 6fire: fix use-after-free on disconnect",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00128,
      "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"
  }
}