{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "4bedcc28469a24fe481a8a31b3584e6070457ddb"
            },
            {
              "fixed": "8a680d54f1adf3e3aa815578684556716fda6f0c"
            },
            {
              "fixed": "a3383df76f0d7a597066df018409eb9e5e698064"
            },
            {
              "fixed": "3f6a3b24ab7b9d51f6f4778254bef0e5847beb55"
            },
            {
              "fixed": "3a408cae608d9c075dd3a9e5cfc03b3cb0726863"
            },
            {
              "fixed": "33bee10644f8fff3b1a0187ad5ad34513e5e8e72"
            },
            {
              "fixed": "5f41161059fd0f1bbf18c90f3180e38cc45a14eb"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.15.0"
            },
            {
              "fixed": "6.1.177"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.144"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.95"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.37"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53327.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndebugobjects: Do not fill_pool() if pi_blocked_on\n\nOn RT enabled kernels, fill_pool() ends up calling rtlock_lock(), which\nasserts if current::pi_blocked_on is set, because a task can obviously only\nblock on one lock as otherwise the priority inheritenace chain gets\ncorrupted.\n\nPrevent this by expanding the conditional to take current::pi_blocked_on\ninto account.",
  "id": "CVE-2026-53327",
  "modified": "2026-07-08T05:35:59.091748046Z",
  "published": "2026-07-01T13:32:13.493Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/33bee10644f8fff3b1a0187ad5ad34513e5e8e72"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3a408cae608d9c075dd3a9e5cfc03b3cb0726863"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3f6a3b24ab7b9d51f6f4778254bef0e5847beb55"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5f41161059fd0f1bbf18c90f3180e38cc45a14eb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a680d54f1adf3e3aa815578684556716fda6f0c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a3383df76f0d7a597066df018409eb9e5e698064"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53327.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53327"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "debugobjects: Do not fill_pool() if pi_blocked_on"
}