CVE-2026-89876 (GCVE-0-2026-89876)
Vulnerability from cvelistv5
Published
2026-09-16 10:31
Modified
2026-10-19 08:54
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: media: tda18250: fix possible integer overflow Integer overflow may occur, when variable exp equals to zero. Result of shift 1 << (exp - 1) may then leads to undefined behavior.
References
Impacted products
Vendor Product Version
Linux Linux Version: 148abd3b5b146021a637d36ac5c0ee91cd4ad520
Version: 148abd3b5b146021a637d36ac5c0ee91cd4ad520
Version: 148abd3b5b146021a637d36ac5c0ee91cd4ad520
Version: 148abd3b5b146021a637d36ac5c0ee91cd4ad520
Version: 148abd3b5b146021a637d36ac5c0ee91cd4ad520
Version: 148abd3b5b146021a637d36ac5c0ee91cd4ad520
Version: 148abd3b5b146021a637d36ac5c0ee91cd4ad520
Version: 148abd3b5b146021a637d36ac5c0ee91cd4ad520
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/tuners/tda18250.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "cf8e3b3d7d9a6a96f4df6246e2e14b32f58d889e",
              "status": "affected",
              "version": "148abd3b5b146021a637d36ac5c0ee91cd4ad520",
              "versionType": "git"
            },
            {
              "lessThan": "4e21f0e5696d3148b183c7e21dd44f7dec0d07ef",
              "status": "affected",
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              "versionType": "git"
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              "versionType": "git"
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              "versionType": "git"
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            },
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            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/tuners/tda18250.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.16"
            },
            {
              "lessThan": "4.16",
              "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": "6.12.110",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.51",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.5",
              "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": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.221",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.188",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.157",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.110",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.51",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.5",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: tda18250: fix possible integer overflow\n\nInteger overflow may occur, when variable exp equals to zero. Result\nof shift 1 \u003c\u003c (exp - 1) may then leads to undefined behavior."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-19T08:54:09.158Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/cf8e3b3d7d9a6a96f4df6246e2e14b32f58d889e"
        },
        {
          "url": "https://git.kernel.org/stable/c/4e21f0e5696d3148b183c7e21dd44f7dec0d07ef"
        },
        {
          "url": "https://git.kernel.org/stable/c/3e5568d554c5f6da2cbba45684295927ebefd943"
        },
        {
          "url": "https://git.kernel.org/stable/c/593b1172e5d548581dfdb9a63713088f5dfab255"
        },
        {
          "url": "https://git.kernel.org/stable/c/0e0fbdb4c9381e2ea647a3fe3bf39bdb02ea5b73"
        },
        {
          "url": "https://git.kernel.org/stable/c/7c62bd653563939ff0d0fdfd4b8c73c4f97a1dcc"
        },
        {
          "url": "https://git.kernel.org/stable/c/f1ba602afd5ee6609fd71a0d112d18e8447a485f"
        },
        {
          "url": "https://git.kernel.org/stable/c/6dd8e257f7cafda7fbf10d81b3c55c9bba4825f4"
        }
      ],
      "title": "media: tda18250: fix possible integer overflow",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-89876",
    "datePublished": "2026-09-16T10:31:43.473Z",
    "dateReserved": "2026-09-11T19:38:34.772Z",
    "dateUpdated": "2026-10-19T08:54:09.158Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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