{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c8acd6aa6bed3c0fd7898202f4ebc534db9085f2"
            },
            {
              "fixed": "f448a5f5bd10d792440a1b08cf2e8f311767032d"
            },
            {
              "fixed": "2148db529f082d6e3ca95413bf943442f4ef30cc"
            },
            {
              "fixed": "d920c07aa6d89ec11afdb6976aafaee9563a5234"
            },
            {
              "fixed": "4a33886057e6d127555efb022879c583e966acc5"
            },
            {
              "fixed": "88a505330eb06128f7ce79a4c5e4832b7601b3d1"
            },
            {
              "fixed": "bae65e4925928f77824ca0103122e2ed20ef5802"
            },
            {
              "fixed": "54ccc01012a240476edf641bf1a2b8bff54fe6ae"
            },
            {
              "fixed": "075bc7b1d3dde5ed43fbaabbc1a69f09b7fc3a47"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.7.0"
            },
            {
              "fixed": "5.10.271"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.222"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.189"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.158"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.112"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.54"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98298.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: mmp_pdma: fix wrong sg length in mmp_pdma_prep_slave_sg()\n\nIn mmp_pdma_prep_slave_sg(), for_each_sg() iterates the scatterlist\nputting each entry into 'sg', but the entry length is read from 'sgl'\n(the list head) instead of 'sg' (the current entry):\n\n    for_each_sg(sgl, sg, sg_len, i) {\n        addr = sg_dma_address(sg);\n        avail = sg_dma_len(sgl);   /* should be 'sg' */\n\nConsequently 'avail' is always the length of the first entry. For\nmulti-sg lists this causes out-of-bounds reads when a later entry is\nshorter than the first, and silent data loss when it is longer.\nSingle-sg or uniformly-sized lists happen to mask the issue.",
  "id": "CVE-2026-98298",
  "modified": "2026-10-08T02:31:03.427471794Z",
  "published": "2026-10-06T08:45:56.417Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/075bc7b1d3dde5ed43fbaabbc1a69f09b7fc3a47"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2148db529f082d6e3ca95413bf943442f4ef30cc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4a33886057e6d127555efb022879c583e966acc5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/54ccc01012a240476edf641bf1a2b8bff54fe6ae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/88a505330eb06128f7ce79a4c5e4832b7601b3d1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bae65e4925928f77824ca0103122e2ed20ef5802"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d920c07aa6d89ec11afdb6976aafaee9563a5234"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f448a5f5bd10d792440a1b08cf2e8f311767032d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98298.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98298"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "dmaengine: mmp_pdma: fix wrong sg length in mmp_pdma_prep_slave_sg()"
}