{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "abeff53233b984571b87582bb588b4b38ef4ea50"
            },
            {
              "fixed": "5b7e5f84d3d4cea10c3764d2da274810a7934228"
            },
            {
              "fixed": "5f4de3c717d34a24d555af581947742980778c02"
            },
            {
              "fixed": "b773faa32b0a98c3eb2b50d96de631681e5d1157"
            },
            {
              "fixed": "266cddf7bd0f6c79b6c0633aef742a22bf70265b"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.6.148"
            },
            {
              "fixed": "6.12.101"
            },
            {
              "fixed": "6.18.42"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.6.148"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.101"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.42"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68427.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpu: host1x: Fix use-after-free in host1x_bo_clear_cached_mappings\n\n__host1x_bo_unpin() drops the last reference to the mapping and frees\nit, so we can't dereference mapping afterwards. The cache itself\noutlives the mapping, so use the cache local variable instead.",
  "id": "CVE-2026-68427",
  "modified": "2026-08-18T03:31:16.853726747Z",
  "published": "2026-08-10T12:04:47.915Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/266cddf7bd0f6c79b6c0633aef742a22bf70265b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5b7e5f84d3d4cea10c3764d2da274810a7934228"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5f4de3c717d34a24d555af581947742980778c02"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/abeff53233b984571b87582bb588b4b38ef4ea50"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b773faa32b0a98c3eb2b50d96de631681e5d1157"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68427.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-68427"
    },
    {
      "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:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "gpu: host1x: Fix use-after-free in host1x_bo_clear_cached_mappings"
}