{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c8a6153b6c59d95c0e091f053f6f180952ade91e"
            },
            {
              "fixed": "35483c5306e09b3190ff937089d404a78012695c"
            },
            {
              "fixed": "5c1560be8aa6849356455af67518d35c551cbd95"
            },
            {
              "fixed": "93ed4692f2299a40346025979f40e4a9b7b33af7"
            },
            {
              "fixed": "d94e2947203aead590fd63f667d316d4475d65af"
            },
            {
              "fixed": "a2d0a57538fd0b3b3ab75d64bb64f4cd2fab13a2"
            },
            {
              "fixed": "79e12c891940b0c4c75881b7fd82a8cbb8ac97be"
            },
            {
              "fixed": "e440e077748939839d9f76e24383b76b785f80ce"
            }
          ],
          "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": "5.15.212"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.178"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.145"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.97"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.40"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74313.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nvduse: hold vduse_lock across IDR lookup in open path\n\nvduse_dev_open() looks up struct vduse_dev through the IDR and then\nacquires dev-\u003elock only after vduse_lock has been dropped.\n\nThis leaves a window where a concurrent VDUSE_DESTROY_DEV can remove the\nsame object from the IDR and free it before the open path locks the\ndevice, leading to a use-after-free.\n\nClose this race by keeping vduse_lock held until dev-\u003elock has been\nacquired in the open path, matching the lock ordering already used by\nthe destroy path.",
  "id": "CVE-2026-74313",
  "modified": "2026-08-18T03:31:23.567343229Z",
  "published": "2026-08-15T05:58:12.058Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/35483c5306e09b3190ff937089d404a78012695c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5c1560be8aa6849356455af67518d35c551cbd95"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/79e12c891940b0c4c75881b7fd82a8cbb8ac97be"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/93ed4692f2299a40346025979f40e4a9b7b33af7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a2d0a57538fd0b3b3ab75d64bb64f4cd2fab13a2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d94e2947203aead590fd63f667d316d4475d65af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e440e077748939839d9f76e24383b76b785f80ce"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74313.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74313"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "vduse: hold vduse_lock across IDR lookup in open path"
}