{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "208489032bdd8d4a7de50f3057c175058f271956"
            },
            {
              "fixed": "d8ce81006ee4e42ce2d0bd3a2ab87adc1e24ef11"
            },
            {
              "fixed": "2cff6a2a912a3464ae1fefb7e0a82393682ccea6"
            },
            {
              "fixed": "e5d82695f2cabca3222b8f6a89ea0e18bafc4c0a"
            },
            {
              "fixed": "9e799f25c420e759641eb25102967ea091fc758f"
            },
            {
              "fixed": "f37e0367ad6f2147a0b37564b442b7a25bec0d23"
            },
            {
              "fixed": "46e75703ca3f00fb8c935b3ce35b90836e34e8af"
            },
            {
              "fixed": "edef1355224c0799a502a46b71d3649fa0dd218e"
            },
            {
              "fixed": "b38af5386a74416e898955443f2e26547b358cb2"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.2.0"
            },
            {
              "fixed": "5.10.273"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.224"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.191"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.160"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.113"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.57"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/99xxx/CVE-2026-99035.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: mtk-sd: Cancel request timeout work on remove\n\nThe driver queues req_timeout while a request is active.\nmsdc_request_done() uses cancel_delayed_work(), which does not wait for\na timeout callback that has already started.\n\nThe timeout callback calls mmc_request_done(), which wakes the request\nwaiter, and then continues to use host-\u003edev_comp and check the SDIO IRQ.\nDuring unbind, msdc_drv_remove() can return and the managed mmc_host can\nbe freed before the callback finishes.\n\nKASAN reported use-after-free accesses in msdc_request_done() and\nmsdc_recheck_sdio_irq() in each of three unbind tests.  The same tests\ncompleted without a kernel diagnostic after this change.\n\nCall cancel_delayed_work_sync() after mmc_remove_host() has stopped new\nrequests and before the driver releases the host resources.",
  "id": "CVE-2026-99035",
  "modified": "2026-11-01T02:30:20.068973137Z",
  "published": "2026-10-23T12:21:44.522Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2cff6a2a912a3464ae1fefb7e0a82393682ccea6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/46e75703ca3f00fb8c935b3ce35b90836e34e8af"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e799f25c420e759641eb25102967ea091fc758f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b38af5386a74416e898955443f2e26547b358cb2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d8ce81006ee4e42ce2d0bd3a2ab87adc1e24ef11"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e5d82695f2cabca3222b8f6a89ea0e18bafc4c0a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/edef1355224c0799a502a46b71d3649fa0dd218e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f37e0367ad6f2147a0b37564b442b7a25bec0d23"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/99xxx/CVE-2026-99035.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-99035"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.2",
  "summary": "mmc: mtk-sd: Cancel request timeout work on remove"
}