{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "72f93dc6d1a6b157e0c3d247085c74935893cca0"
            },
            {
              "fixed": "46e3bed4b071095ecc9384a7b349e1908728531f"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6abcf751bc084804a9e5b3051442e8a2ce67f48a"
            },
            {
              "fixed": "ad28c4f9e0eae4993cb3fde3e7cea330acd8b97c"
            },
            {
              "fixed": "2484568a335cd7bda951c75b3a7d95ea36161ae7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.18.6"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68332.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: airoha: Fix potential use-after-free in airoha_ppe_deinit()\n\nairoha_ppe_deinit() replaces the NPU pointer with NULL via\nrcu_replace_pointer() but does not wait for existing RCU readers\nto exit before calling ppe_deinit() and airoha_npu_put(). This can\ncause a use-after-free if a reader in an RCU read-side critical\nsection still holds a reference to the NPU when it is freed.\n\nThe init path (airoha_ppe_init) already calls synchronize_rcu()\nafter rcu_assign_pointer(), but the deinit path introduced in\ncommit 6abcf751bc08 (\"net: airoha: Fix schedule while atomic in\nairoha_ppe_deinit()\") omitted the matching barrier when switching\nfrom rcu_read_lock()/rcu_dereference() to rcu_replace_pointer().\n\nAdd synchronize_rcu() before ppe_deinit() to ensure all existing\nRCU readers have completed before the NPU resources are released.",
  "id": "CVE-2026-68332",
  "modified": "2026-08-12T03:51:34.252396204Z",
  "published": "2026-08-10T12:03:08.525Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2484568a335cd7bda951c75b3a7d95ea36161ae7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/46e3bed4b071095ecc9384a7b349e1908728531f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ad28c4f9e0eae4993cb3fde3e7cea330acd8b97c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68332.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68332"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "net: airoha: Fix potential use-after-free in airoha_ppe_deinit()"
}