Vulnerability-Lookup

FKIE_CVE-2026-43283

Vulnerability from fkie_nvd - Published: 2026-05-06 12:16 - Updated: 2026-05-08 19:08

Severity ?

8.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle dma_free_coherent() in error path takes priv->rx_buf.alloc_len as the dma handle. This would lead to improper unmapping of the buffer. Change the dma handle to priv->rx_buf.alloc_phys.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0f589ee54fd6d76d3f75e745f7f12c64cbd749e5	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1b1371cd4032ae859838ebc74215f569987bb197	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1b1d3c5d58a80a19d017a409aa2308162bab5bbf	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1e300c33ef3cc544c2b9c693778fe9490cfe9184	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7e54ff938bebb173822b4c38b33fc164c1cabf92	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8320727be7ff704e07c87624efc2a4a75f54b3ce	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	3.15
linux	linux_kernel	3.15
linux	linux_kernel	3.15

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A11D3722-FB4D-46A8-8F29-B20AF35DEFEF",
              "versionEndExcluding": "5.10.252",
              "versionStartIncluding": "3.15.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4002FC2B-1456-4666-B240-0EBF590C4671",
              "versionEndExcluding": "5.15.202",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "797C7F46-D0BE-4FB8-A502-C5EF8E6B6654",
              "versionEndExcluding": "6.1.165",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2",
              "versionEndExcluding": "6.6.128",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2",
              "versionEndExcluding": "6.12.75",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B",
              "versionEndExcluding": "6.18.16",
              "versionStartIncluding": "6.13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67",
              "versionEndExcluding": "6.19.6",
              "versionStartIncluding": "6.19",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:3.15:-:*:*:*:*:*:*",
              "matchCriteriaId": "F138B0D1-8A71-47E3-B203-17061370DFD9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:3.15:rc7:*:*:*:*:*:*",
              "matchCriteriaId": "C02C163F-D1BD-4284-B652-AFB5EAFE9879",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:3.15:rc8:*:*:*:*:*:*",
              "matchCriteriaId": "D28A725C-B7B8-4634-8C5C-FC56439B51AF",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: ec_bhf: Fix dma_free_coherent() dma handle\n\ndma_free_coherent() in error path takes priv-\u003erx_buf.alloc_len as\nthe dma handle. This would lead to improper unmapping of the buffer.\n\nChange the dma handle to priv-\u003erx_buf.alloc_phys."
    }
  ],
  "id": "CVE-2026-43283",
  "lastModified": "2026-05-08T19:08:43.663",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 6.0,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-05-06T12:16:49.817",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0f589ee54fd6d76d3f75e745f7f12c64cbd749e5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1b1371cd4032ae859838ebc74215f569987bb197"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1b1d3c5d58a80a19d017a409aa2308162bab5bbf"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1e300c33ef3cc544c2b9c693778fe9490cfe9184"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/7e54ff938bebb173822b4c38b33fc164c1cabf92"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/8320727be7ff704e07c87624efc2a4a75f54b3ce"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2026-43283 (GCVE-0-2026-43283)

Vulnerability from cvelistv5 – Published: 2026-05-06 11:29 – Updated: 2026-05-11 22:21

Title

net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle

Summary

Severity ?

8.8 (High)


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

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/0f589ee54fd6d76d3…
https://git.kernel.org/stable/c/accd0599bc8e73b96…
https://git.kernel.org/stable/c/8320727be7ff704e0…
https://git.kernel.org/stable/c/1e300c33ef3cc544c…
https://git.kernel.org/stable/c/1b1371cd4032ae859…
https://git.kernel.org/stable/c/1b1d3c5d58a80a19d…
https://git.kernel.org/stable/c/7e54ff938bebb1738…
https://git.kernel.org/stable/c/ffe68c3766997d82e…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 6af55ff52b02d492d45db88df3e461fa51a6f753 , < 0f589ee54fd6d76d3f75e745f7f12c64cbd749e5 (git) Affected: 6af55ff52b02d492d45db88df3e461fa51a6f753 , < accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0 (git) Affected: 6af55ff52b02d492d45db88df3e461fa51a6f753 , < 8320727be7ff704e07c87624efc2a4a75f54b3ce (git) Affected: 6af55ff52b02d492d45db88df3e461fa51a6f753 , < 1e300c33ef3cc544c2b9c693778fe9490cfe9184 (git) Affected: 6af55ff52b02d492d45db88df3e461fa51a6f753 , < 1b1371cd4032ae859838ebc74215f569987bb197 (git) Affected: 6af55ff52b02d492d45db88df3e461fa51a6f753 , < 1b1d3c5d58a80a19d017a409aa2308162bab5bbf (git) Affected: 6af55ff52b02d492d45db88df3e461fa51a6f753 , < 7e54ff938bebb173822b4c38b33fc164c1cabf92 (git) Affected: 6af55ff52b02d492d45db88df3e461fa51a6f753 , < ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2 (git)
Linux	Linux	Affected: 3.15 Unaffected: 0 , < 3.15 (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)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/ec_bhf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0f589ee54fd6d76d3f75e745f7f12c64cbd749e5",
              "status": "affected",
              "version": "6af55ff52b02d492d45db88df3e461fa51a6f753",
              "versionType": "git"
            },
            {
              "lessThan": "accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0",
              "status": "affected",
              "version": "6af55ff52b02d492d45db88df3e461fa51a6f753",
              "versionType": "git"
            },
            {
              "lessThan": "8320727be7ff704e07c87624efc2a4a75f54b3ce",
              "status": "affected",
              "version": "6af55ff52b02d492d45db88df3e461fa51a6f753",
              "versionType": "git"
            },
            {
              "lessThan": "1e300c33ef3cc544c2b9c693778fe9490cfe9184",
              "status": "affected",
              "version": "6af55ff52b02d492d45db88df3e461fa51a6f753",
              "versionType": "git"
            },
            {
              "lessThan": "1b1371cd4032ae859838ebc74215f569987bb197",
              "status": "affected",
              "version": "6af55ff52b02d492d45db88df3e461fa51a6f753",
              "versionType": "git"
            },
            {
              "lessThan": "1b1d3c5d58a80a19d017a409aa2308162bab5bbf",
              "status": "affected",
              "version": "6af55ff52b02d492d45db88df3e461fa51a6f753",
              "versionType": "git"
            },
            {
              "lessThan": "7e54ff938bebb173822b4c38b33fc164c1cabf92",
              "status": "affected",
              "version": "6af55ff52b02d492d45db88df3e461fa51a6f753",
              "versionType": "git"
            },
            {
              "lessThan": "ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2",
              "status": "affected",
              "version": "6af55ff52b02d492d45db88df3e461fa51a6f753",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/ec_bhf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.15"
            },
            {
              "lessThan": "3.15",
              "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": "3.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.202",
                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.165",
                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.128",
                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.75",
                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.16",
                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.6",
                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "3.15",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: ec_bhf: Fix dma_free_coherent() dma handle\n\ndma_free_coherent() in error path takes priv-\u003erx_buf.alloc_len as\nthe dma handle. This would lead to improper unmapping of the buffer.\n\nChange the dma handle to priv-\u003erx_buf.alloc_phys."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:21:33.771Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0f589ee54fd6d76d3f75e745f7f12c64cbd749e5"
        },
        {
          "url": "https://git.kernel.org/stable/c/accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0"
        },
        {
          "url": "https://git.kernel.org/stable/c/8320727be7ff704e07c87624efc2a4a75f54b3ce"
        },
        {
          "url": "https://git.kernel.org/stable/c/1e300c33ef3cc544c2b9c693778fe9490cfe9184"
        },
        {
          "url": "https://git.kernel.org/stable/c/1b1371cd4032ae859838ebc74215f569987bb197"
        },
        {
          "url": "https://git.kernel.org/stable/c/1b1d3c5d58a80a19d017a409aa2308162bab5bbf"
        },
        {
          "url": "https://git.kernel.org/stable/c/7e54ff938bebb173822b4c38b33fc164c1cabf92"
        },
        {
          "url": "https://git.kernel.org/stable/c/ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2"
        }
      ],
      "title": "net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-43283",
    "datePublished": "2026-05-06T11:29:03.726Z",
    "dateReserved": "2026-05-01T14:12:55.998Z",
    "dateUpdated": "2026-05-11T22:21:33.771Z",
    "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

FKIE_CVE-2026-43283

CVE-2026-43283 (GCVE-0-2026-43283)

Tags

Sightings

Nomenclature