FKIE_CVE-2026-68181

Vulnerability from fkie_nvd - Published: 2026-08-10 13:20 - Updated: 2026-08-17 05:18
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved: mei: bus: access mei_device under device_lock on cleanup Fix couple of problems in mei_cl_bus_dev_release(): mei_cl_flush_queues() is running without lock. bus->file_list access after mei_dev_bus_put(bus) can become a use-after-free if this was the last reference to bus. Protect queues cleanup and WARN traversal by device lock there to avoid the concurrent access problems. Move WARN traversal before mei_dev_bus_put(bus). This file uses bus variable name for mei_device, adjust code of mei_cl_bus_dev_release() to use bus variable too.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/441559d4c595f839b39f0ab6a4ae628427c2fd9e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/59dd34854202d9a3faaa87a85205e553fe7150e1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7cf79e8d682fe93777268f029668ce5e214237fd
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c88c030a324c9018b77894a19b2564eb66862020
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f112ea910e554d58b4b39a4492b7d302f0f4204f
Impacted products
Vendor Product Version
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{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/misc/mei/bus.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "441559d4c595f839b39f0ab6a4ae628427c2fd9e",
              "status": "affected",
              "version": "24f4ceeaeee7983c07590149556a0e33efe2ec90",
              "versionType": "git"
            },
            {
              "lessThan": "c88c030a324c9018b77894a19b2564eb66862020",
              "status": "affected",
              "version": "612c8d21ce6e37b73f3106aec7ffa35959d40261",
              "versionType": "git"
            },
            {
              "lessThan": "59dd34854202d9a3faaa87a85205e553fe7150e1",
              "status": "affected",
              "version": "35e8a426b16adbecae7a4e0e3c00fc8d0273db53",
              "versionType": "git"
            },
            {
              "lessThan": "7cf79e8d682fe93777268f029668ce5e214237fd",
              "status": "affected",
              "version": "35e8a426b16adbecae7a4e0e3c00fc8d0273db53",
              "versionType": "git"
            },
            {
              "lessThan": "f112ea910e554d58b4b39a4492b7d302f0f4204f",
              "status": "affected",
              "version": "35e8a426b16adbecae7a4e0e3c00fc8d0273db53",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6f2a6ef86b23a30b92ad57981de537bce67bfa45",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "2f29dce5a5ae06a7db32e4491d72269329a86eeb",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "28de6ca5276a94b0589ae1bf026b89fa0eaf14c0",
              "versionType": "git"
            },
            {
              "lessThan": "6.6.148",
              "status": "affected",
              "version": "6.6.103",
              "versionType": "semver"
            },
            {
              "lessThan": "6.12.101",
              "status": "affected",
              "version": "6.12.43",
              "versionType": "semver"
            },
            {
              "lessThan": "6.2",
              "status": "affected",
              "version": "6.1.149",
              "versionType": "semver"
            },
            {
              "lessThan": "6.16",
              "status": "affected",
              "version": "6.15.11",
              "versionType": "semver"
            },
            {
              "lessThan": "6.17",
              "status": "affected",
              "version": "6.16.2",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/misc/mei/bus.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.148",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmei: bus: access mei_device under device_lock on cleanup\n\nFix couple of problems in mei_cl_bus_dev_release():\n\nmei_cl_flush_queues() is running without lock.\nbus-\u003efile_list access after mei_dev_bus_put(bus) can become a\nuse-after-free if this was the last reference to bus.\n\nProtect queues cleanup and WARN traversal by device lock there\nto avoid the concurrent access problems.\nMove WARN traversal before mei_dev_bus_put(bus).\n\nThis file uses bus variable name for mei_device, adjust\ncode of mei_cl_bus_dev_release() to use bus variable too."
    }
  ],
  "id": "CVE-2026-68181",
  "lastModified": "2026-08-17T05:18:19.823",
  "metrics": {},
  "published": "2026-08-10T13:20:05.110",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/441559d4c595f839b39f0ab6a4ae628427c2fd9e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/59dd34854202d9a3faaa87a85205e553fe7150e1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7cf79e8d682fe93777268f029668ce5e214237fd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c88c030a324c9018b77894a19b2564eb66862020"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f112ea910e554d58b4b39a4492b7d302f0f4204f"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}



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