{
  "fix": "RHSA-2026:76738",
  "url": "https://patchblox.com/security/fix/linux/rhsa-2026-76738",
  "summary": "RHSA-2026:76738, released September 17, 2026, fixes 35 CVEs in kernel (version 6.12.0-211.63.1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "linux",
  "type": "advisory",
  "title": "kernel security update",
  "released": "2026-09-17T18:11:06Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-89972, rated Critical",
  "supported": true,
  "cveCount": 35,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00745,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://access.redhat.com/errata/RHSA-2026:76738",
  "appliesTo": [
    {
      "product": "kernel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel",
      "release": "RHEL 10",
      "fixedVersion": "6.12.0-211.63.1.el10_2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-68476",
      "url": "https://patchblox.com/security/cve/CVE-2026-68476",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  ipvs: reload ip header after head reallocation...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00714,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-89972",
      "url": "https://patchblox.com/security/cve/CVE-2026-89972",
      "title": "nvme: add missing SRCU grace period in error path",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00714,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63984",
      "url": "https://patchblox.com/security/cve/CVE-2026-63984",
      "title": "kernel-uek-debug: [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": "Urgent",
      "severity": "N/A",
      "cvss": 9.8,
      "epss": 0.00514,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64078",
      "url": "https://patchblox.com/security/cve/CVE-2026-64078",
      "title": "netfilter: x_tables: add and use xtables_unregister_table_exit",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00127,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-45860",
      "url": "https://patchblox.com/security/cve/CVE-2026-45860",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  netfilter: nf_conncount: increase the connection...",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00745,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63922",
      "url": "https://patchblox.com/security/cve/CVE-2026-63922",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: t...",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00714,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63924",
      "url": "https://patchblox.com/security/cve/CVE-2026-63924",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: t...",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00714,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-72320",
      "url": "https://patchblox.com/security/cve/CVE-2026-72320",
      "title": "netfilter: nft_lookup: fix catchall element handling with inverted lookups",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00569,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-74746",
      "url": "https://patchblox.com/security/cve/CVE-2026-74746",
      "title": "netfilter: flowtable: publish GC-visible tuple last",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00536,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63994",
      "url": "https://patchblox.com/security/cve/CVE-2026-63994",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 9.8,
      "epss": 0.00514,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-74669",
      "url": "https://patchblox.com/security/cve/CVE-2026-74669",
      "title": "ipvs: clear IPv4 options after rebasing tunnel ICMP errors",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.8,
      "epss": 0.00514,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63992",
      "url": "https://patchblox.com/security/cve/CVE-2026-63992",
      "title": "kernel-rt-64k-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 9.1,
      "epss": 0.00514,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64132",
      "url": "https://patchblox.com/security/cve/CVE-2026-64132",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 9.8,
      "epss": 0.00491,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97417",
      "url": "https://patchblox.com/security/cve/CVE-2026-97417",
      "title": "netfilter: nf_conntrack: use get_unaligned_be32() in tcp_sack()",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.0049,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53357",
      "url": "https://patchblox.com/security/cve/CVE-2026-53357",
      "title": "Bluetooth: fix UAF in l2cap_sock_cleanup_listen() vs l2cap_conn_del()",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8,
      "epss": 0.00332,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64024",
      "url": "https://patchblox.com/security/cve/CVE-2026-64024",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 9.4,
      "epss": 0.00308,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64557",
      "url": "https://patchblox.com/security/cve/CVE-2026-64557",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: L2CAP: Fix use-after-free in l2cap_so...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00294,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46275",
      "url": "https://patchblox.com/security/cve/CVE-2026-46275",
      "title": "Bluetooth: hci_uart: fix UAFs and race conditions in close and init paths",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00226,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-80792",
      "url": "https://patchblox.com/security/cve/CVE-2026-80792",
      "title": "ipv6: fix use-after-free in ip6_finish_output2()",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.00195,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-45856",
      "url": "https://patchblox.com/security/cve/CVE-2026-45856",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  RDMA/uverbs: Validate wqe_size before using it i...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00187,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-80775",
      "url": "https://patchblox.com/security/cve/CVE-2026-80775",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  futex: Fix race on the initial mm-\u003Efutex.phash.r...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 7,
      "epss": 0.00185,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-72255",
      "url": "https://patchblox.com/security/cve/CVE-2026-72255",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: t...",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00176,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63920",
      "url": "https://patchblox.com/security/cve/CVE-2026-63920",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.1,
      "epss": 0.00172,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-90227",
      "url": "https://patchblox.com/security/cve/CVE-2026-90227",
      "title": "nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00168,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63918",
      "url": "https://patchblox.com/security/cve/CVE-2026-63918",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 7.8,
      "epss": 0.00163,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53270",
      "url": "https://patchblox.com/security/cve/CVE-2026-53270",
      "title": "ipvs: clear the svc scheduler ptr early on edit",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.00157,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-72052",
      "url": "https://patchblox.com/security/cve/CVE-2026-72052",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  net: ip6_gre: require CAP_NET_ADMIN in the devic...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00151,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63829",
      "url": "https://patchblox.com/security/cve/CVE-2026-63829",
      "title": "net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00148,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68432",
      "url": "https://patchblox.com/security/cve/CVE-2026-68432",
      "title": "vxlan: require CAP_NET_ADMIN in the device netns for changelink",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00146,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-52972",
      "url": "https://patchblox.com/security/cve/CVE-2026-52972",
      "title": "crypto: af_alg - Cap AEAD AD length to 0x80000000",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00144,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63794",
      "url": "https://patchblox.com/security/cve/CVE-2026-63794",
      "title": "KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00142,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-74516",
      "url": "https://patchblox.com/security/cve/CVE-2026-74516",
      "title": "KVM: SVM: Update x2APIC MSR intercepts if AVIC is inhibited while L2 is active",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00135,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-93288",
      "url": "https://patchblox.com/security/cve/CVE-2026-93288",
      "title": "netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00129,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-80921",
      "url": "https://patchblox.com/security/cve/CVE-2026-80921",
      "title": "KVM: s390: vsie: zero stale crypto bits",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00126,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-74582",
      "url": "https://patchblox.com/security/cve/CVE-2026-74582",
      "title": "packet: use consistent hard_header_len in non-ring send paths",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.8,
      "epss": 0.0012,
      "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"
  }
}