{
  "fix": "ALSA-2026:70403",
  "url": "https://patchblox.com/security/fix/linux/alsa-2026-70403",
  "summary": "ALSA-2026:70403, released September 22, 2026, fixes 19 CVEs across 10 products. One of them is being exploited (CVE-2025-39964); 1 on CISA KEV. Patch Radar priority: Patch now.",
  "platform": "linux",
  "type": "advisory",
  "title": "Security update for 10 packages",
  "released": "2026-09-22T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2025-39964, exploited (CISA KEV)",
  "supported": true,
  "cveCount": 19,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.01607,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://osv.dev/vulnerability/ALSA-2026:70403",
  "appliesTo": [
    {
      "product": "kernel-rt",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt",
      "release": "almalinux 8",
      "fixedVersion": "4.18.0-553.166.1.rt7.507.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-core",
      "release": "almalinux 8",
      "fixedVersion": "4.18.0-553.166.1.rt7.507.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug",
      "release": "almalinux 8",
      "fixedVersion": "4.18.0-553.166.1.rt7.507.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-core",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-core",
      "release": "almalinux 8",
      "fixedVersion": "4.18.0-553.166.1.rt7.507.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-devel",
      "release": "almalinux 8",
      "fixedVersion": "4.18.0-553.166.1.rt7.507.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-modules",
      "release": "almalinux 8",
      "fixedVersion": "4.18.0-553.166.1.rt7.507.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-debug-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-debug-modules-extra",
      "release": "almalinux 8",
      "fixedVersion": "4.18.0-553.166.1.rt7.507.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-devel",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-devel",
      "release": "almalinux 8",
      "fixedVersion": "4.18.0-553.166.1.rt7.507.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-modules",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-modules",
      "release": "almalinux 8",
      "fixedVersion": "4.18.0-553.166.1.rt7.507.el8_10",
      "supported": true
    },
    {
      "product": "kernel-rt-modules-extra",
      "productUrl": "https://patchblox.com/security/product/linux/kernel-rt-modules-extra",
      "release": "almalinux 8",
      "fixedVersion": "4.18.0-553.166.1.rt7.507.el8_10",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2025-39964",
      "url": "https://patchblox.com/security/cve/CVE-2025-39964",
      "title": "crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg",
      "priority": "Patch now",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.01607,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64534",
      "url": "https://patchblox.com/security/cve/CVE-2026-64534",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  nvmet-tcp: check INIT_FAILED before nvmet_req_un...",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00323,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53053",
      "url": "https://patchblox.com/security/cve/CVE-2026-53053",
      "title": "iommu/amd: Fix clone_alias() to use the original device\u0027s devid",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.0013,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53062",
      "url": "https://patchblox.com/security/cve/CVE-2026-53062",
      "title": "dm cache policy smq: fix missing locks in invalidating cache blocks",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00097,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46133",
      "url": "https://patchblox.com/security/cve/CVE-2026-46133",
      "title": "RDMA/rxe: Reject unknown opcodes before ICRC processing",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00574,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-46043",
      "url": "https://patchblox.com/security/cve/CVE-2026-46043",
      "title": "RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00514,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63947",
      "url": "https://patchblox.com/security/cve/CVE-2026-63947",
      "title": "kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.8,
      "epss": 0.00347,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-54120",
      "url": "https://patchblox.com/security/cve/CVE-2023-54120",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: Fix race condition in hidp_session_th...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.00313,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-54214",
      "url": "https://patchblox.com/security/cve/CVE-2023-54214",
      "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: L2CAP: Fix potential user-after-free...",
      "priority": "High",
      "severity": "high",
      "cvss": 8.8,
      "epss": 0.003,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-43334",
      "url": "https://patchblox.com/security/cve/CVE-2026-43334",
      "title": "kernel: In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: SMP: force responder MITM requirements...",
      "priority": "High",
      "severity": "moderate",
      "cvss": 8.8,
      "epss": 0.00278,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53254",
      "url": "https://patchblox.com/security/cve/CVE-2026-53254",
      "title": "Bluetooth: RFCOMM: validate skb length in MCC handlers",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.1,
      "epss": 0.00275,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-63975",
      "url": "https://patchblox.com/security/cve/CVE-2026-63975",
      "title": "kernel-rt-64k-debug-core: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.8,
      "epss": 0.00274,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-53256",
      "url": "https://patchblox.com/security/cve/CVE-2026-53256",
      "title": "kernel-rt-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system",
      "priority": "High",
      "severity": "important",
      "cvss": 8.1,
      "epss": 0.00264,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-52918",
      "url": "https://patchblox.com/security/cve/CVE-2026-52918",
      "title": "Bluetooth: serialize accept_q access",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00218,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68188",
      "url": "https://patchblox.com/security/cve/CVE-2026-68188",
      "title": "Bluetooth: RFCOMM: Fix session UAF in set_termios",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00216,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-64582",
      "url": "https://patchblox.com/security/cve/CVE-2026-64582",
      "title": "RDMA/rxe: Fix a use-after-free problem in rxe_mmap",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00168,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2025-71082",
      "url": "https://patchblox.com/security/cve/CVE-2025-71082",
      "title": "Bluetooth: btusb: revert use of devm_kzalloc in btusb",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00145,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-68293",
      "url": "https://patchblox.com/security/cve/CVE-2026-68293",
      "title": "net/mlx5: Fix MCIA register buffer overflow on 32 dword reads",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00139,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-45894",
      "url": "https://patchblox.com/security/cve/CVE-2026-45894",
      "title": "iommu/vt-d: Clear Present bit before tearing down PASID entry",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 8.8,
      "epss": 0.00131,
      "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"
  }
}