{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "107a7bd31ac003e42c0f966aa8e5b26947de6024"
            },
            {
              "fixed": "6e54f8dfee359bbd58086c883ea8cffd5312999d"
            },
            {
              "fixed": "337506dc652383c80839edb8d8dcdd8ff2129b4f"
            },
            {
              "fixed": "dc7c9b9d03a59a7fe483574531327e650a4b4adc"
            },
            {
              "fixed": "120c6bd7ca9d3e80a968b758cbb3fbd67570f132"
            },
            {
              "fixed": "808f3191498f300174523c54cab101e18795ae4e"
            },
            {
              "fixed": "31bf37cf53ede8145e2bc62da803d4506da92975"
            },
            {
              "fixed": "79b592e8f1b435796cbc2722190368e3e8ffd7a1"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.12.0"
            },
            {
              "fixed": "5.10.253"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.203"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.6.130"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.14"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45899.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: drop extent cache when splitting extent fails\n\nWhen the split extent fails, we might leave some extents still being\nprocessed and return an error directly, which will result in stale\nextent entries remaining in the extent status tree. So drop all of the\nremaining potentially stale extents if the splitting fails.",
  "id": "CVE-2026-45899",
  "modified": "2026-07-08T05:38:37.168511861Z",
  "published": "2026-05-27T12:17:08.447Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/120c6bd7ca9d3e80a968b758cbb3fbd67570f132"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/31bf37cf53ede8145e2bc62da803d4506da92975"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/337506dc652383c80839edb8d8dcdd8ff2129b4f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6e54f8dfee359bbd58086c883ea8cffd5312999d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/79b592e8f1b435796cbc2722190368e3e8ffd7a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/808f3191498f300174523c54cab101e18795ae4e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dc7c9b9d03a59a7fe483574531327e650a4b4adc"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45899.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45899"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "ext4: drop extent cache when splitting extent fails"
}