{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/file.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "04d020b3d0b58a1b7e116900e4095b96a7f4e11a",
              "status": "affected",
              "version": "110fee6b9bb58a5c50047fc2594d415f741b591e",
              "versionType": "git"
            },
            {
              "lessThan": "88a51743cd8094b76fd910f53f718747c7729cc8",
              "status": "affected",
              "version": "110fee6b9bb58a5c50047fc2594d415f741b591e",
              "versionType": "git"
            },
            {
              "lessThan": "fe39cd9d48f2346605f3746e0cc19e89d5f373eb",
              "status": "affected",
              "version": "110fee6b9bb58a5c50047fc2594d415f741b591e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/file.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.18"
            },
            {
              "lessThan": "6.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.59",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.13",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.59",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.13",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: don\u0027t update i_size in cifs_do_truncate without a cached handle\n\nIf find_writable_file() returns null, cifs_file_flush will return\n0 without issuing set_file_size, and the outer \u0027if (!rc)\u0027 block\nwill set i_size to 0 before telling the server to truncate.  If\nthe cifs_open() then fails, the inode will have size 0, while\nthe server file is unchanged.\n\nMove the netfs_resize_file() and cifs_setsize() into the \u0027if\n(cfile)\u0027, so they only run after a successful set_file_size.\n\nIn the no-handle else branch, evict stale pages with\ntruncate_inode_pages before the O_TRUNC open to dispose of old\ncache pages, and let the open response set the i_size."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T10:34:49.266Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/04d020b3d0b58a1b7e116900e4095b96a7f4e11a"
        },
        {
          "url": "https://git.kernel.org/stable/c/88a51743cd8094b76fd910f53f718747c7729cc8"
        },
        {
          "url": "https://git.kernel.org/stable/c/fe39cd9d48f2346605f3746e0cc19e89d5f373eb"
        }
      ],
      "title": "cifs: don\u0027t update i_size in cifs_do_truncate without a cached handle",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-99137",
    "datePublished": "2026-10-28T10:34:49.266Z",
    "dateReserved": "2026-09-25T10:25:14.395Z",
    "dateUpdated": "2026-10-28T10:34:49.266Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}