{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "3c6a483275f47a2ef7119309ad3d791c10cf30da"
            },
            {
              "fixed": "760df81763b391bb5f0dcb0b7597b736da753ae4"
            },
            {
              "fixed": "5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf"
            },
            {
              "fixed": "daea997bb244aeb50cbb2e5e075fb446a6cf068f"
            },
            {
              "fixed": "6dd5c0ea139b586ad5a091677056dafd405cfe82"
            },
            {
              "fixed": "d846df2dfbc2469a688833b4cc4f8aa80672bde8"
            },
            {
              "fixed": "66f8bfea055b23719b4fd6ce207c44de37d82a59"
            },
            {
              "fixed": "d8d53a343ebe74274ca17b1e1993042e99f8c863"
            },
            {
              "fixed": "6fe472c1bbbe238e91141f7cabc1226e96a60d43"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.38"
            },
            {
              "fixed": "5.10.259"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.176"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.143"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.93"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.35"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64234.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: serial: pch_uart: add check for dma_alloc_coherent()\n\nAdd a check for dma_alloc_coherent() failure to prevent a potential\nNULL pointer dereference in dma_handle_rx(). Properly release DMA\nchannels and the PCI device reference using a goto ladder if the\nallocation fails.",
  "id": "CVE-2026-64234",
  "modified": "2026-07-27T03:56:31.805901723Z",
  "published": "2026-07-24T15:27:40.263Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/66f8bfea055b23719b4fd6ce207c44de37d82a59"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6dd5c0ea139b586ad5a091677056dafd405cfe82"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6fe472c1bbbe238e91141f7cabc1226e96a60d43"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/760df81763b391bb5f0dcb0b7597b736da753ae4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d846df2dfbc2469a688833b4cc4f8aa80672bde8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d8d53a343ebe74274ca17b1e1993042e99f8c863"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/daea997bb244aeb50cbb2e5e075fb446a6cf068f"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64234.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64234"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "tty: serial: pch_uart: add check for dma_alloc_coherent()"
}