{
  "cveId": "CVE-2026-31582",
  "url": "https://patchblox.com/security/cve/CVE-2026-31582",
  "summary": "CVE-2026-31582 is fixed in 14 products on 1 platform, first by DEBIAN-CVE-2026-31582, released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "hwmon: (powerz) Fix use-after-free on USB disconnect",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  hwmon: (powerz) Fix use-after-free on USB disconnect  After powerz_disconnect() frees the URB and releases the mutex, a subsequent powerz_read() call can acquire the mutex and call powerz_read_data(), which dereferences the freed URB pointer.  Fix by:  - Setting priv-\u003Eurb to NULL in powerz_disconnect() so that    powerz_read_data() can detect the disconnected state.  - Adding a !priv-\u003Eurb check at the start of powerz_read_data()    to return -ENODEV on a disconnected device.  - Moving usb_set_intfdata() before hwmon registration so the    disconnect handler can always find the priv pointer.",
  "published": "2026-04-24T15:16:32Z",
  "severity": "Important",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00125,
  "epssPercentile": 0.02219,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-31582",
  "fixes": [
    {
      "platform": "linux",
      "product": "dtb-aarch64",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "SUSE-SU-2026:23231-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23231-1",
      "released": "2026-08-11T21:26:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-azure",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-azure",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "SUSE-SU-2026:23231-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23231-1",
      "released": "2026-08-11T21:26:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "SUSE-SU-2026:23237-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23237-1",
      "released": "2026-08-11T21:34:22Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default-base",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1.160000.2.19",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default-base",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.37.1.160000.2.19",
      "fix": "SUSE-SU-2026:23231-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23231-1",
      "released": "2026-08-11T21:26:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-docs",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-docs",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "SUSE-SU-2026:23231-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23231-1",
      "released": "2026-08-11T21:26:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-kvmsmall",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-kvmsmall",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "SUSE-SU-2026:23231-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23231-1",
      "released": "2026-08-11T21:26:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-obs-build",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-obs-qa",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-obs-qa",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "SUSE-SU-2026:23231-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23231-1",
      "released": "2026-08-11T21:26:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-rt",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-source",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-source",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "SUSE-SU-2026:23231-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23231-1",
      "released": "2026-08-11T21:26:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-syms",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-syms",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "SUSE-SU-2026:23231-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23231-1",
      "released": "2026-08-11T21:26:34Z"
    },
    {
      "platform": "linux",
      "product": "kernel-zfcpdump",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "OPENSUSE-SU-2026:21555-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21555-1",
      "released": "2026-08-12T01:09:28Z"
    },
    {
      "platform": "linux",
      "product": "kernel-zfcpdump",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.37.1",
      "fix": "SUSE-SU-2026:23231-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23231-1",
      "released": "2026-08-11T21:26:34Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.85-1",
      "fix": "DEBIAN-CVE-2026-31582",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-31582",
      "released": "2026-05-15T16:01:09Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.19.14-1",
      "fix": "DEBIAN-CVE-2026-31582",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-31582",
      "released": "2026-05-15T16:01:09Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}