Vulnerability-Lookup

GHSA-4J9W-H83M-2CP5

Vulnerability from github – Published: 2026-09-16 12:30 – Updated: 2026-09-16 12:30

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-89876"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-16T11:16:55Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-4j9w-h83m-2cp5",
  "modified": "2026-09-16T12:30:40Z",
  "published": "2026-09-16T12:30:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89876"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0e0fbdb4c9381e2ea647a3fe3bf39bdb02ea5b73"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3e5568d554c5f6da2cbba45684295927ebefd943"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4e21f0e5696d3148b183c7e21dd44f7dec0d07ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/593b1172e5d548581dfdb9a63713088f5dfab255"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6dd8e257f7cafda7fbf10d81b3c55c9bba4825f4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7c62bd653563939ff0d0fdfd4b8c73c4f97a1dcc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cf8e3b3d7d9a6a96f4df6246e2e14b32f58d889e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f1ba602afd5ee6609fd71a0d112d18e8447a485f"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-89876 (GCVE-0-2026-89876)

Vulnerability from cvelistv5 – Published: 2026-09-16 10:31 – Updated: 2026-09-16 10:31

Title

media: tda18250: fix possible integer overflow

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.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

8 references

URL	Tags
https://git.kernel.org/stable/c/cf8e3b3d7d9a6a96f…
https://git.kernel.org/stable/c/4e21f0e5696d3148b…
https://git.kernel.org/stable/c/3e5568d554c5f6da2…
https://git.kernel.org/stable/c/593b1172e5d548581…
https://git.kernel.org/stable/c/0e0fbdb4c9381e2ea…
https://git.kernel.org/stable/c/7c62bd653563939ff…
https://git.kernel.org/stable/c/f1ba602afd5ee6609…
https://git.kernel.org/stable/c/6dd8e257f7cafda7f…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 148abd3b5b146021a637d36ac5c0ee91cd4ad520 , < cf8e3b3d7d9a6a96f4df6246e2e14b32f58d889e (git) Affected: 148abd3b5b146021a637d36ac5c0ee91cd4ad520 , < 4e21f0e5696d3148b183c7e21dd44f7dec0d07ef (git) Affected: 148abd3b5b146021a637d36ac5c0ee91cd4ad520 , < 3e5568d554c5f6da2cbba45684295927ebefd943 (git) Affected: 148abd3b5b146021a637d36ac5c0ee91cd4ad520 , < 593b1172e5d548581dfdb9a63713088f5dfab255 (git) Affected: 148abd3b5b146021a637d36ac5c0ee91cd4ad520 , < 0e0fbdb4c9381e2ea647a3fe3bf39bdb02ea5b73 (git) Affected: 148abd3b5b146021a637d36ac5c0ee91cd4ad520 , < 7c62bd653563939ff0d0fdfd4b8c73c4f97a1dcc (git) Affected: 148abd3b5b146021a637d36ac5c0ee91cd4ad520 , < f1ba602afd5ee6609fd71a0d112d18e8447a485f (git) Affected: 148abd3b5b146021a637d36ac5c0ee91cd4ad520 , < 6dd8e257f7cafda7fbf10d81b3c55c9bba4825f4 (git)
Linux	Linux	Affected: 4.16 Unaffected: 0 , < 4.16 (semver) Unaffected: 5.10.270 , ≤ 5.10.* (semver) Unaffected: 5.15.221 , ≤ 5.15.* (semver) Unaffected: 6.1.188 , ≤ 6.1.* (semver) Unaffected: 6.6.157 , ≤ 6.6.* (semver) Unaffected: 6.12.110 , ≤ 6.12.* (semver) Unaffected: 6.18.51 , ≤ 6.18.* (semver) Unaffected: 7.2.5 , ≤ 7.2.* (semver) Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)

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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/tuners/tda18250.c"
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            },
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            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "status": "unaffected",
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              "versionType": "semver"
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              "versionType": "semver"
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              "status": "unaffected",
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              "status": "unaffected",
              "version": "7.2.5",
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              "status": "unaffected",
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              "versionType": "original_commit_for_fix"
            }
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        }
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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GHSA-4J9W-H83M-2CP5

CVE-2026-89876 (GCVE-0-2026-89876)

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