CVE-2026-43202 (GCVE-0-2026-43202)

Vulnerability from cvelistv5 – Published: 2026-05-06 11:28 – Updated: 2026-05-06 11:28
VLAI?
Title
fbdev: vt8500lcdfb: fix missing dma_free_coherent()
Summary
In the Linux kernel, the following vulnerability has been resolved: fbdev: vt8500lcdfb: fix missing dma_free_coherent() fbi->fb.screen_buffer is allocated with dma_alloc_coherent() but is not freed if the error path is reached.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4 , < 9a9bc60ed372aaae9784ff8ad8e5f496ff15fd31 (git)
Affected: e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4 , < 9c3873cccb3fab54cde0605ae7093d332c99073e (git)
Affected: e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4 , < 778f31be5b8c10024db23fdd8a05f68a02311008 (git)
Affected: e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4 , < e8c5d5f6cd66e032f9aefdcc21b0c34761aef78a (git)
Affected: e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4 , < f47d5b9e8aa6178a0aaf225119ad1ec7d3f49876 (git)
Affected: e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4 , < 40c1ff25025150ff6d7ec7ad441fcfd6d070ee76 (git)
Affected: e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4 , < 2cd2f988a8bd2da227f5c3cfa0cbf3a9a287ddc3 (git)
Affected: e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4 , < 88b3b9924337336a31cefbe99a22ed09401be74a (git)
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    Linux Linux Affected: 3.7
Unaffected: 0 , < 3.7 (semver)
Unaffected: 5.10.252 , ≤ 5.10.* (semver)
Unaffected: 5.15.202 , ≤ 5.15.* (semver)
Unaffected: 6.1.165 , ≤ 6.1.* (semver)
Unaffected: 6.6.128 , ≤ 6.6.* (semver)
Unaffected: 6.12.75 , ≤ 6.12.* (semver)
Unaffected: 6.18.16 , ≤ 6.18.* (semver)
Unaffected: 6.19.6 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/video/fbdev/vt8500lcdfb.c"
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          "vendor": "Linux",
          "versions": [
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              "status": "unaffected",
              "version": "0",
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              "status": "unaffected",
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            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.165",
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              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: vt8500lcdfb: fix missing dma_free_coherent()\n\nfbi-\u003efb.screen_buffer is allocated with dma_alloc_coherent() but is not\nfreed if the error path is reached."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-06T11:28:08.226Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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      "title": "fbdev: vt8500lcdfb: fix missing dma_free_coherent()",
      "x_generator": {
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    "dateReserved": "2026-05-01T14:12:55.992Z",
    "dateUpdated": "2026-05-06T11:28:08.226Z",
    "state": "PUBLISHED"
  },
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      "date": "2026-05-09",
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      "percentile": "0.07036"
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



Detection rules are retrieved from Rulezet.