{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "a18ed359bdddcded4f97ff5e2f07793ff9336913"
            },
            {
              "fixed": "7e807cb8603b7664fa630a696cd891d9a03c248d"
            },
            {
              "fixed": "afc5e61e1a07b2b833bd72cbee36ecce9cd901e2"
            },
            {
              "fixed": "1bce219ee5512cf179ba40cf114945a14a16e21f"
            },
            {
              "fixed": "4a79fde8db7eba7f1128d971ceba4e3c9ac84aec"
            },
            {
              "fixed": "2f4b1052246ca646bb17bfe0f53df2fdf9729b58"
            },
            {
              "fixed": "12615ab4bfb69678e5d961b28bb70040299e51b1"
            },
            {
              "fixed": "bd7b52557e4a3ccd7595fdb3a585f1257de57935"
            },
            {
              "fixed": "ca81109d4a8f192dc1cbad4a1ee25246363c2833"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.15.0"
            },
            {
              "fixed": "5.10.252"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.202"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.128"
            }
          ],
          "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-2026-45948.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix memory leak in ext4_ext_shift_extents()\n\nIn ext4_ext_shift_extents(), if the extent is NULL in the while loop, the\nfunction returns immediately without releasing the path obtained via\next4_find_extent(), leading to a memory leak.\n\nFix this by jumping to the out label to ensure the path is properly\nreleased.",
  "id": "CVE-2026-45948",
  "modified": "2026-07-08T05:37:34.627806567Z",
  "published": "2026-05-27T12:18:04.937Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/12615ab4bfb69678e5d961b28bb70040299e51b1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1bce219ee5512cf179ba40cf114945a14a16e21f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f4b1052246ca646bb17bfe0f53df2fdf9729b58"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4a79fde8db7eba7f1128d971ceba4e3c9ac84aec"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e807cb8603b7664fa630a696cd891d9a03c248d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/afc5e61e1a07b2b833bd72cbee36ecce9cd901e2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bd7b52557e4a3ccd7595fdb3a585f1257de57935"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ca81109d4a8f192dc1cbad4a1ee25246363c2833"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45948.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45948"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "ext4: fix memory leak in ext4_ext_shift_extents()"
}