net: spacemit: Fix error handling in emac_tx_mem_map()

{
  "id": "c20aea41fff4844465b11f8d8fce4f2bf5de980f037b0124b5250434f4c90f81",
  "url": "https://osv.dev/vulnerability/CVE-2026-43462",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net: spacemit: Fix error handling in emac_tx_mem_map()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net: spacemit: Fix error handling in emac_tx_mem_map() The DMA mappings were leaked on mapping error. Free them with the existing emac_free_tx_buf() function.",
    "evidence": "osv:CVE-2026-43462",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.18.19",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.19.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-43462",
      "aliases": [
        "CVE-2026-43462"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "bfec6d7f2001c7470c3cd261ae65a3ba8737f226"
                },
                {
                  "fixed": "c34ebd7b24ea70be3c6fdb6936f79f593f37df60"
                },
                {
                  "fixed": "edeaba385318f60ec1b32470da4d5eb800294d16"
                },
                {
                  "fixed": "86292155bea578ebab0ca3b65d4d87ecd8a0e9ea"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43462.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.18.0"
                },
                {
                  "fixed": "6.18.19"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "6.19.9"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43462.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:20.547315849Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/86292155bea578ebab0ca3b65d4d87ecd8a0e9ea",
        "https://git.kernel.org/stable/c/c34ebd7b24ea70be3c6fdb6936f79f593f37df60",
        "https://git.kernel.org/stable/c/edeaba385318f60ec1b32470da4d5eb800294d16",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43462.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-43462",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43462.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-43462",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 486497,
  "published_at": "2026-05-08T14:22:24.686+00:00"
}