Vulnerability-Lookup

GHSA-FQQ8-VJR7-827P

Vulnerability from github – Published: 2026-05-06 12:30 – Updated: 2026-05-11 21:31

Details

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 ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2026-43202"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-06T12:16:39Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-fqq8-vjr7-827p",
  "modified": "2026-05-11T21:31:30Z",
  "published": "2026-05-06T12:30:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43202"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2cd2f988a8bd2da227f5c3cfa0cbf3a9a287ddc3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/40c1ff25025150ff6d7ec7ad441fcfd6d070ee76"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/778f31be5b8c10024db23fdd8a05f68a02311008"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/88b3b9924337336a31cefbe99a22ed09401be74a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9a9bc60ed372aaae9784ff8ad8e5f496ff15fd31"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9c3873cccb3fab54cde0605ae7093d332c99073e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e8c5d5f6cd66e032f9aefdcc21b0c34761aef78a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f47d5b9e8aa6178a0aaf225119ad1ec7d3f49876"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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

Vulnerability from cvelistv5 – Published: 2026-05-06 11:28 – Updated: 2026-05-11 22:19

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

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/9a9bc60ed372aaae9…
https://git.kernel.org/stable/c/9c3873cccb3fab54c…
https://git.kernel.org/stable/c/778f31be5b8c10024…
https://git.kernel.org/stable/c/e8c5d5f6cd66e032f…
https://git.kernel.org/stable/c/f47d5b9e8aa6178a0…
https://git.kernel.org/stable/c/40c1ff25025150ff6…
https://git.kernel.org/stable/c/2cd2f988a8bd2da22…
https://git.kernel.org/stable/c/88b3b9924337336a3…

Impacted products

2 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)
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": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/video/fbdev/vt8500lcdfb.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "9a9bc60ed372aaae9784ff8ad8e5f496ff15fd31",
              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "9c3873cccb3fab54cde0605ae7093d332c99073e",
              "status": "affected",
              "version": "e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4",
              "versionType": "git"
            },
            {
              "lessThan": "778f31be5b8c10024db23fdd8a05f68a02311008",
              "status": "affected",
              "version": "e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4",
              "versionType": "git"
            },
            {
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              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4",
              "versionType": "git"
            },
            {
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          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.7"
            },
            {
              "lessThan": "3.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.252",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.202",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.165",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.128",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.252",
                  "versionStartIncluding": "3.7",
                  "vulnerable": true
                },
                {
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                },
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                {
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                },
                {
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                  "versionStartIncluding": "3.7",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "3.7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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": "2026-05-11T22:19:57.436Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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        {
          "url": "https://git.kernel.org/stable/c/9c3873cccb3fab54cde0605ae7093d332c99073e"
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        {
          "url": "https://git.kernel.org/stable/c/778f31be5b8c10024db23fdd8a05f68a02311008"
        },
        {
          "url": "https://git.kernel.org/stable/c/e8c5d5f6cd66e032f9aefdcc21b0c34761aef78a"
        },
        {
          "url": "https://git.kernel.org/stable/c/f47d5b9e8aa6178a0aaf225119ad1ec7d3f49876"
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        },
        {
          "url": "https://git.kernel.org/stable/c/88b3b9924337336a31cefbe99a22ed09401be74a"
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      ],
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        "engine": "bippy-1.2.0"
      }
    }
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43202",
    "datePublished": "2026-05-06T11:28:08.226Z",
    "dateReserved": "2026-05-01T14:12:55.992Z",
    "dateUpdated": "2026-05-11T22:19:57.436Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-FQQ8-VJR7-827P

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

Tags

Sightings

Nomenclature