{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/google/gve/gve_ptp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e9482feeed66d4bc805458631013e9b61b1a9eaf",
              "status": "affected",
              "version": "acd16380523b400400523fe54c7499320e558e80",
              "versionType": "git"
            },
            {
              "lessThan": "fa9b991bf678dd412dc0ed080672d34d7558d7af",
              "status": "affected",
              "version": "acd16380523b400400523fe54c7499320e558e80",
              "versionType": "git"
            },
            {
              "lessThan": "3992ced109c70b771efad9e51ae68e5c7a04dea3",
              "status": "affected",
              "version": "acd16380523b400400523fe54c7499320e558e80",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/google/gve/gve_ptp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.17"
            },
            {
              "lessThan": "6.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.46",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.46",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.10",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "6.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngve: fix NULL dereference due to missing ptp adjfine\n\nFix NULL dereference due to missing implementation of adjfine, which can\nbe triggered from usermode as follows:\n\nsudo ./testptp -d /dev/ptp0 -f 0\n[  551.943697] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[...]\n[  552.061946] Call Trace:\n[  552.064487]  \u003cTASK\u003e\n[  552.066681]  ptp_clock_adjtime+0x1c0/0x2c0\n[  552.070874]  ? get_clock_desc+0x6b/0xb0\n[  552.074825]  pc_clock_adjtime+0x78/0xc0\n[  552.078755]  __do_sys_clock_adjtime+0x85/0x110\n[  552.083293]  do_syscall_64+0xea/0x610"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-26T14:37:28.351Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e9482feeed66d4bc805458631013e9b61b1a9eaf"
        },
        {
          "url": "https://git.kernel.org/stable/c/fa9b991bf678dd412dc0ed080672d34d7558d7af"
        },
        {
          "url": "https://git.kernel.org/stable/c/3992ced109c70b771efad9e51ae68e5c7a04dea3"
        }
      ],
      "title": "gve: fix NULL dereference due to missing ptp adjfine",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-80564",
    "datePublished": "2026-08-26T14:37:28.351Z",
    "dateReserved": "2026-08-26T14:34:25.767Z",
    "dateUpdated": "2026-08-26T14:37:28.351Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}