CVE-2026-89575 (GCVE-0-2026-89575)
Vulnerability from cvelistv5
Published
2026-09-11 19:44
Modified
2026-10-19 08:49
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: dm raid1: reserve space for NUL-terminator in build_constructor_string() Reserve space for the termination NUL after the maximum 20 decimal digits of a long long value to avoid buffer overflow in sprintf().
References
Impacted products
Vendor Product Version
Linux Linux Version: f5db4af466e2dca0fe822019812d586ca910b00c
Version: f5db4af466e2dca0fe822019812d586ca910b00c
Version: f5db4af466e2dca0fe822019812d586ca910b00c
Version: f5db4af466e2dca0fe822019812d586ca910b00c
Version: f5db4af466e2dca0fe822019812d586ca910b00c
Version: f5db4af466e2dca0fe822019812d586ca910b00c
Version: f5db4af466e2dca0fe822019812d586ca910b00c
Version: f5db4af466e2dca0fe822019812d586ca910b00c
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/md/dm-log-userspace-base.c"
          ],
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          "vendor": "Linux",
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.31"
            },
            {
              "lessThan": "2.6.31",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.270",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.221",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.188",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.157",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.109",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.50",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.4",
              "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": "5.10.270",
                  "versionStartIncluding": "2.6.31",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.221",
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm raid1: reserve space for NUL-terminator in build_constructor_string()\n\nReserve space for the termination NUL after the maximum 20 decimal\ndigits of a long long value to avoid buffer overflow in sprintf()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T08:49:08.414Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/35ba81c93fe7392c973af9881640180490e76f34"
        },
        {
          "url": "https://git.kernel.org/stable/c/1fcc9f9f35653c5ee1a8b144ec96ff3fc48532f7"
        },
        {
          "url": "https://git.kernel.org/stable/c/7b035983b895db3ae01d9855963d42541db42125"
        },
        {
          "url": "https://git.kernel.org/stable/c/01a0276706c7b6fb758a8e2ff9cf221a3dfcae97"
        },
        {
          "url": "https://git.kernel.org/stable/c/0a3657ebd6b517b60cdc5123894047616974e25b"
        },
        {
          "url": "https://git.kernel.org/stable/c/644140527ae494cedf3b5c0ecd16287deaea7a66"
        },
        {
          "url": "https://git.kernel.org/stable/c/f79b53ca3a68a46c6fc3b30b148d1dfb1b33ea8b"
        },
        {
          "url": "https://git.kernel.org/stable/c/73c37fe54cd056d07461b142ab0b8b81e1ef6ad8"
        }
      ],
      "title": "dm raid1: reserve space for NUL-terminator in build_constructor_string()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-89575",
    "datePublished": "2026-09-11T19:44:43.139Z",
    "dateReserved": "2026-09-11T19:38:34.727Z",
    "dateUpdated": "2026-10-19T08:49:08.414Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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