{
  "affected": [
    {
      "database_specific": {
        "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-99245.json"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5ac7eace2d00eab5ae0e9fdee63e38aee6001f7c"
            },
            {
              "fixed": "c7956ec99ad0e173720d95de9fa788bb077809f2"
            },
            {
              "fixed": "2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f"
            },
            {
              "fixed": "72f367417a6aee56821d0b0114cfd2b080008b63"
            },
            {
              "fixed": "19dfc37c9deefa69dc805d01d35d1f2fd7902e33"
            },
            {
              "fixed": "5787887eba0f0979a8c86d03a8e891395d5c24ad"
            },
            {
              "fixed": "01835d3a3709be508ae5209f806640336c48e395"
            },
            {
              "fixed": "6fc0c818b1cac66003e937c8a0d3bfb23fd3f130"
            },
            {
              "fixed": "23a9163cc40b4996ba1e20533b1210a1a0bee416"
            },
            {
              "fixed": "0b157166e612b70f98a332b6c7be7eac6f8e9593"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "database_specific": {
        "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-99245.json"
      },
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.7.0"
            },
            {
              "fixed": "5.10.273"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.224"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.191"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.161"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.115"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.60"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.14"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "7.3.0"
            },
            {
              "fixed": "7.3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/99xxx/CVE-2026-99245.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: Fix key_reject_and_link() race with keyring restriction\n\nThe restrict_link check in key_reject_and_link() is done before taking\nthe keyring semaphore, racing with a concurrent keyring_restrict()\nthat installs the restriction while holding the semaphore in write\nmode.\n\nMove the check to after __key_link_lock(), so it is done under the\nsemaphore, matching the pattern used in __key_create_or_update().",
  "id": "CVE-2026-99245",
  "modified": "2026-11-05T03:31:25.707009770Z",
  "published": "2026-11-03T11:15:15.050Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/01835d3a3709be508ae5209f806640336c48e395"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0b157166e612b70f98a332b6c7be7eac6f8e9593"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/19dfc37c9deefa69dc805d01d35d1f2fd7902e33"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/23a9163cc40b4996ba1e20533b1210a1a0bee416"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2c3d907dd15f4e30d4c35b9f7a7a5078de6a1b1f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5787887eba0f0979a8c86d03a8e891395d5c24ad"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6fc0c818b1cac66003e937c8a0d3bfb23fd3f130"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/72f367417a6aee56821d0b0114cfd2b080008b63"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c7956ec99ad0e173720d95de9fa788bb077809f2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/99xxx/CVE-2026-99245.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-99245"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.2",
  "summary": "KEYS: Fix key_reject_and_link() race with keyring restriction"
}