{
  "cveId": "CVE-2026-53286",
  "url": "https://patchblox.com/security/cve/CVE-2026-53286",
  "summary": "CVE-2026-53286 is fixed in 14 products on 1 platform, first by DEBIAN-CVE-2026-53286, released June 27, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  idpf: fix double free and use-after-free in aux...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  idpf: fix double free and use-after-free in aux device error paths  When auxiliary_device_add() fails in idpf_plug_vport_aux_dev() or idpf_plug_core_aux_dev(), the err_aux_dev_add label calls auxiliary_device_uninit() and falls through to err_aux_dev_init.  The uninit call will trigger put_device(), which invokes the release callback (idpf_vport_adev_release / idpf_core_adev_release) that frees iadev.  The fall-through then reads adev-\u003Eid from the freed iadev for ida_free() and double-frees iadev with kfree().  Free the IDA slot and clear the back-pointer before uninit, while adev is still valid, then return immediately.  Commit 65637c3a1811 (\u0022idpf: fix UAF in RDMA core aux dev deinitialization\u0022) fixed the same use-after-free in the matching unplug path in this file but missed both probe error paths.",
  "published": "2026-06-26T20:17:21Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00126,
  "epssPercentile": 0.02335,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "dtb-aarch64",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "SUSE-SU-2026:22835-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22835-1",
      "released": "2026-07-21T08:27:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-azure",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-azure",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "SUSE-SU-2026:22835-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22835-1",
      "released": "2026-07-21T08:27:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "SUSE-SU-2026:22835-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22835-1",
      "released": "2026-07-21T08:27:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default-base",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1.160000.2.17",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default-base",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.36.1.160000.2.17",
      "fix": "SUSE-SU-2026:22835-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22835-1",
      "released": "2026-07-21T08:27:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-docs",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-docs",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "SUSE-SU-2026:22835-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22835-1",
      "released": "2026-07-21T08:27:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-kvmsmall",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-kvmsmall",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "SUSE-SU-2026:22835-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22835-1",
      "released": "2026-07-21T08:27:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-obs-build",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-obs-qa",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-obs-qa",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "SUSE-SU-2026:22835-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22835-1",
      "released": "2026-07-21T08:27:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-rt",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-source",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-source",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "SUSE-SU-2026:22835-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22835-1",
      "released": "2026-07-21T08:27:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-syms",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-syms",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "SUSE-SU-2026:22835-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22835-1",
      "released": "2026-07-21T08:27:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-zfcpdump",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "OPENSUSE-SU-2026:21388-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21388-1",
      "released": "2026-07-21T08:27:32Z"
    },
    {
      "platform": "linux",
      "product": "kernel-zfcpdump",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.36.1",
      "fix": "SUSE-SU-2026:22835-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22835-1",
      "released": "2026-07-21T08:27:34Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.0.10-1",
      "fix": "DEBIAN-CVE-2026-53286",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-53286",
      "released": "2026-06-27T17:39:39Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}