{
  "cveId": "CVE-2026-31754",
  "url": "https://patchblox.com/security/cve/CVE-2026-31754",
  "summary": "CVE-2026-31754 is fixed in 16 products on 1 platform, first by DEBIAN-CVE-2026-31754, released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  usb: cdns3: gadget: fix state inconsistency on g...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  usb: cdns3: gadget: fix state inconsistency on gadget init failure  When cdns3_gadget_start() fails, the DRD hardware is left in gadget mode while software state remains INACTIVE, creating hardware/software state inconsistency.  When switching to host mode via sysfs:   echo host \u003E /sys/class/usb_role/13180000.usb-role-switch/role  The role state is not set to CDNS_ROLE_STATE_ACTIVE due to the error, so cdns_role_stop() skips cleanup because state is still INACTIVE. This violates the DRD controller design specification (Figure22), which requires returning to idle state before switching roles.  This leads to a synchronous external abort in xhci_gen_setup() when setting up the host controller:  [  516.440698] configfs-gadget 13180000.usb: failed to start g1: -19 [  516.442035] cdns-usb3 13180000.usb: Failed to add gadget [  516.443278] cdns-usb3 13180000.usb: set role 2 has failed ... [ 1301.375722] xhci-hcd xhci-hcd.1.auto: xHCI Host Controller [ 1301.377716] Internal error: synchronous external abort: 96000010 [#1] PREEMPT SMP [ 1301.382485] pc : xhci_gen_setup\u002B0xa4/0x408 [ 1301.393391] backtrace:     ...     xhci_gen_setup\u002B0xa4/0x408    \u003C-- CRASH     xhci_plat_setup\u002B0x44/0x58     usb_add_hcd\u002B0x284/0x678     ...     cdns_role_set\u002B0x9c/0xbc        \u003C-- Role switch  Fix by calling cdns_drd_gadget_off() in the error path to properly clean up the DRD gadget state.",
  "published": "2026-05-01T15:16:38Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00123,
  "epssPercentile": 0.02046,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "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 15.7",
      "fixedVersion": "6.4.0-150700.53.73.2",
      "fix": "SUSE-SU-2026:3166-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3166-1",
      "released": "2026-07-21T17:09:27Z"
    },
    {
      "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"
    },
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      "fix": "SUSE-SU-2026:3166-1",
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      "released": "2026-07-21T17:09:27Z"
    },
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    },
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      "fix": "OPENSUSE-SU-2026:21555-1",
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      "fix": "SUSE-SU-2026:23237-1",
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      "released": "2026-08-11T21:34:22Z"
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  ],
  "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"
  }
}