{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c19b6d246a35627c3a69b2fa6bdece212b48214b"
            },
            {
              "fixed": "6496fb830cbb741d831225cc4e7e5601c6e42970"
            },
            {
              "fixed": "ba8d8429e5d6c36f9a654d2b96b9e043c43d92b4"
            },
            {
              "fixed": "011ae5dd84dc9f05eb9b8e1adff44252ac776e7b"
            },
            {
              "fixed": "0f85a9655445e67bb0238cfc983d7c383b54938e"
            },
            {
              "fixed": "84b932bc9899d43e5829e6cf088b72d73a922b2b"
            },
            {
              "fixed": "d8a522085d09b30aba1016daf1dddac37c0f0285"
            },
            {
              "fixed": "d68994e37ac3b285692559776e0279a88a3b5f8d"
            },
            {
              "fixed": "36bd7d5deef936c4e1e3cd341598140e5c14c1d3"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.8.0"
            },
            {
              "fixed": "5.10.252"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.202"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.128"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.16"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43149.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean()\n\nThe priv-\u003erx_buffer and priv-\u003etx_buffer are alloc'd together as\ncontiguous buffers in uhdlc_init() but freed as two buffers in\nuhdlc_memclean().\n\nChange the cleanup to only call dma_free_coherent() once on the whole\nbuffer.",
  "id": "CVE-2026-43149",
  "modified": "2026-07-08T05:35:54.957767541Z",
  "published": "2026-05-06T11:27:31.708Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/011ae5dd84dc9f05eb9b8e1adff44252ac776e7b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0f85a9655445e67bb0238cfc983d7c383b54938e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/36bd7d5deef936c4e1e3cd341598140e5c14c1d3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6496fb830cbb741d831225cc4e7e5601c6e42970"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/84b932bc9899d43e5829e6cf088b72d73a922b2b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ba8d8429e5d6c36f9a654d2b96b9e043c43d92b4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d68994e37ac3b285692559776e0279a88a3b5f8d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d8a522085d09b30aba1016daf1dddac37c0f0285"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43149.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43149"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "summary": "net: wan/fsl_ucc_hdlc: Fix dma_free_coherent() in uhdlc_memclean()"
}