{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "11102d0c343ba06ddd303f2503c0ce46d70052f2"
            },
            {
              "fixed": "ef02cd3807f39ae1dbc924788d8fa6a85334c435"
            },
            {
              "fixed": "d382aaf5fed38c6dd2e0cc710d97cb81d660ffa7"
            },
            {
              "fixed": "2a3801ae5c344473e648006c5b03a9216ac54a6a"
            },
            {
              "fixed": "2ea04dca8e627f722caa7a2037cfbae0257f3501"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.10.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.51"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89994.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: fsl-edma: tracing: no ptr dereference during log output\n\nThe fsl edma events store a pointer to a struct fsl_edma_engine in the\nringbuffer and dereference it when a log entry is printed. At this time,\nthe pointer may no longer be valid.\n\nEvent injection can be used to trigger a crash:\n\n$ cd /sys/kernel/tracing\n$ echo 'value = 0' \u003e events/fsl_edma/edma_writeb/inject\n$ cat trace\n\nThe log output needs only edma-\u003emembase. Add a membase field at the end\nof the event and use the new field for log output. Keep the existing\nfields for backward compatibility.",
  "id": "CVE-2026-89994",
  "modified": "2026-09-18T03:30:59.611424681Z",
  "published": "2026-09-16T10:33:07.292Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2a3801ae5c344473e648006c5b03a9216ac54a6a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2ea04dca8e627f722caa7a2037cfbae0257f3501"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d382aaf5fed38c6dd2e0cc710d97cb81d660ffa7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ef02cd3807f39ae1dbc924788d8fa6a85334c435"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89994.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89994"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "dmaengine: fsl-edma: tracing: no ptr dereference during log output"
}