CVE-2026-31661 (GCVE-0-2026-31661)
Vulnerability from cvelistv5
Published
2026-04-24 14:45
Modified
2026-04-24 14:45
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmsmac: Fix dma_free_coherent() size dma_alloc_consistent() may change the size to align it. The new size is saved in alloced. Change the free size to match the allocation size.
References
Impacted products
Vendor Product Version
Linux Linux Version: 5b435de0d786869c95d1962121af0d7df2542009
Version: 5b435de0d786869c95d1962121af0d7df2542009
Version: 5b435de0d786869c95d1962121af0d7df2542009
Version: 5b435de0d786869c95d1962121af0d7df2542009
Version: 5b435de0d786869c95d1962121af0d7df2542009
Version: 5b435de0d786869c95d1962121af0d7df2542009
Version: 5b435de0d786869c95d1962121af0d7df2542009
Version: 5b435de0d786869c95d1962121af0d7df2542009
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f449676bab54fea1440775c8c915dadb323fe015",
              "status": "affected",
              "version": "5b435de0d786869c95d1962121af0d7df2542009",
              "versionType": "git"
            },
            {
              "lessThan": "3c204a0fd079fa7a867151a47d830ad1c2db5177",
              "status": "affected",
              "version": "5b435de0d786869c95d1962121af0d7df2542009",
              "versionType": "git"
            },
            {
              "lessThan": "0f87777b74bcce29b966ec42d9aa8f9edd9b1667",
              "status": "affected",
              "version": "5b435de0d786869c95d1962121af0d7df2542009",
              "versionType": "git"
            },
            {
              "lessThan": "4bf41c2731a0549e21f66180ff780b1e036639ab",
              "status": "affected",
              "version": "5b435de0d786869c95d1962121af0d7df2542009",
              "versionType": "git"
            },
            {
              "lessThan": "77263f053963dea9f3962505ac0c768853d7dc59",
              "status": "affected",
              "version": "5b435de0d786869c95d1962121af0d7df2542009",
              "versionType": "git"
            },
            {
              "lessThan": "b27fa888e4a426a3bcf6f6ab24701d888d9bf5aa",
              "status": "affected",
              "version": "5b435de0d786869c95d1962121af0d7df2542009",
              "versionType": "git"
            },
            {
              "lessThan": "01f1330d3d1bee07e0c42d40cc48b7be8b6dad84",
              "status": "affected",
              "version": "5b435de0d786869c95d1962121af0d7df2542009",
              "versionType": "git"
            },
            {
              "lessThan": "12cd7632757a54ce586e36040210b1a738a0fc53",
              "status": "affected",
              "version": "5b435de0d786869c95d1962121af0d7df2542009",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/broadcom/brcm80211/brcmsmac/dma.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.2"
            },
            {
              "lessThan": "3.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.253",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.203",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.169",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.135",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.82",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.23",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.13",
              "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": "5.10.253",
                  "versionStartIncluding": "3.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.203",
                  "versionStartIncluding": "3.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.169",
                  "versionStartIncluding": "3.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.135",
                  "versionStartIncluding": "3.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.82",
                  "versionStartIncluding": "3.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.23",
                  "versionStartIncluding": "3.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.13",
                  "versionStartIncluding": "3.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "3.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmsmac: Fix dma_free_coherent() size\n\ndma_alloc_consistent() may change the size to align it. The new size is\nsaved in alloced.\n\nChange the free size to match the allocation size."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-24T14:45:11.917Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/f449676bab54fea1440775c8c915dadb323fe015"
        },
        {
          "url": "https://git.kernel.org/stable/c/3c204a0fd079fa7a867151a47d830ad1c2db5177"
        },
        {
          "url": "https://git.kernel.org/stable/c/0f87777b74bcce29b966ec42d9aa8f9edd9b1667"
        },
        {
          "url": "https://git.kernel.org/stable/c/4bf41c2731a0549e21f66180ff780b1e036639ab"
        },
        {
          "url": "https://git.kernel.org/stable/c/77263f053963dea9f3962505ac0c768853d7dc59"
        },
        {
          "url": "https://git.kernel.org/stable/c/b27fa888e4a426a3bcf6f6ab24701d888d9bf5aa"
        },
        {
          "url": "https://git.kernel.org/stable/c/01f1330d3d1bee07e0c42d40cc48b7be8b6dad84"
        },
        {
          "url": "https://git.kernel.org/stable/c/12cd7632757a54ce586e36040210b1a738a0fc53"
        }
      ],
      "title": "wifi: brcmsmac: Fix dma_free_coherent() size",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31661",
    "datePublished": "2026-04-24T14:45:11.917Z",
    "dateReserved": "2026-03-09T15:48:24.129Z",
    "dateUpdated": "2026-04-24T14:45:11.917Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.