usb: typec: ps883x: Fix Oops at unbind

{
  "id": "1aa41dd849fda1ef46cadcc223107e7e4ad365cc5fa174de81b037fcaae7bad8",
  "url": "https://osv.dev/vulnerability/CVE-2026-53305",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "usb: typec: ps883x: Fix Oops at unbind",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: usb: typec: ps883x: Fix Oops at unbind When trying to unbind a device in order to bind to it vfio-platform as: echo bc0000.geniqup > /sys/bus/platform/devices/bc0000.geniqup/driver/unbind I get the following Oops: [ 436.478639] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020 [ 436.487762] Mem abort info: [ 436.490716] ESR = 0x0000000096000004 [ 436.494595] EC = 0x25: DABT (current EL), IL = 32 bits [ 436.500071] SET = 0, FnV = 0 [ 436.503250] EA = 0, S1PTW = 0 [ 436.506505] FSC = 0x04: level 0 translation fault [ 436.511533] Data abort info: [ 436.514558] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 436.520215] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 436.525436] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 436.530918] user pgtable: 4k pages, 48-bit VAs, pgdp=00000008861a9000 [ 436.537554] [0000000000000020] pgd=0000000000000000, p4d=0000000000000000 [ 436.544548] Internal error: Oops: 0000000096000004 [#1] SMP [ 436.550374] Modules linked in: [ 436.553542] CPU: 2 UID: 0 PID: 671 Comm: bash Tainted: G W 7.0.0-rc3-g56fcdd0911a5-dirty #2 PREEMPT [ 436.564440] Tainted: [W]=WARN [ 436.567515] Hardware name: LENOVO 91B6CTO1WW/3796, BIOS O6NKT3BA 05/02/2025 [ 436.574675] pstate: 21400005 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [ 436.581841] pc : ps883x_retimer_remove+0x14/0x94 [ 436.586605] lr : i2c_device_remove+0x28/0x84 [ 436.591017] sp : ffff8000847137c0 That's bec",
    "evidence": "osv:CVE-2026-53305",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.18.33",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.0.10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-53305",
      "aliases": [
        "CVE-2026-53305"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "257a087c8b5206e046048de6053fc8b3fa1af814"
                },
                {
                  "fixed": "37a3d1b6827783f26d2f8e6c7683e253ba79ae93"
                },
                {
                  "fixed": "c404d0ac0cb085cb7077ba32c334cc4042feb81a"
                },
                {
                  "fixed": "381133848a033c2086cf9cafb226f425bd0414ff"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53305.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.15.0"
                },
                {
                  "fixed": "6.18.33"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "7.0.10"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53305.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.144107399Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/37a3d1b6827783f26d2f8e6c7683e253ba79ae93",
        "https://git.kernel.org/stable/c/381133848a033c2086cf9cafb226f425bd0414ff",
        "https://git.kernel.org/stable/c/c404d0ac0cb085cb7077ba32c334cc4042feb81a",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53305.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53305",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53305.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-53305",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 490316,
  "published_at": "2026-06-26T19:41:00.712+00:00"
}