{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0153094d03df5a2e834a19c59b255649a258ae46"
            },
            {
              "fixed": "d944170607b872a1f93713c555ad3f0efde3a9b8"
            },
            {
              "fixed": "d3ae9e7fddb4036f50003d7fa1ef52801fdb961b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "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-2026-74370.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nliveupdate: fix TOCTOU race in luo_session_retrieve()\n\nExtend the scope of the rwsem_read lock in luo_session_retrieve() to\noverlap with the acquisition of the session mutex. This prevents a\nconcurrent thread from releasing and freeing the session between the\nlookup and the mutex lock.",
  "id": "CVE-2026-74370",
  "modified": "2026-08-18T03:31:16.926925335Z",
  "published": "2026-08-15T05:58:50.933Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d3ae9e7fddb4036f50003d7fa1ef52801fdb961b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d944170607b872a1f93713c555ad3f0efde3a9b8"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74370.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74370"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "liveupdate: fix TOCTOU race in luo_session_retrieve()"
}