{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpio/gpio-mxc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "261802c14e1a3281987ea8f106701e5ed9652f68",
              "status": "affected",
              "version": "5f6d1998adeb5374ef248b5ba2e2a0c30ab0f60b",
              "versionType": "git"
            },
            {
              "lessThan": "6c1e035d881579a6e4ed1ce5feabb13d23e80a82",
              "status": "affected",
              "version": "5f6d1998adeb5374ef248b5ba2e2a0c30ab0f60b",
              "versionType": "git"
            },
            {
              "lessThan": "38d44f78f041ffe60c8e2443b99434a199e7541d",
              "status": "affected",
              "version": "5f6d1998adeb5374ef248b5ba2e2a0c30ab0f60b",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpio/gpio-mxc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.6"
            },
            {
              "lessThan": "6.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.59",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.13",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.59",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.13",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: mxc: fix race between chained IRQ handler install and probe completion\n\nmxc_update_irq_chained_handler() is called before the IRQ domain, the\ngeneric IRQ chip, and the port list entry are set up. If an interrupt\narrives in that window:\n\n - mx3_gpio_irq_handler() calls generic_handle_domain_irq() with\n   port-\u003edomain still NULL.\n - mx2_gpio_irq_handler() walks mxc_gpio_ports, but the port has not\n   been added to the list yet.\n\nAdditionally, if any of the subsequent probe steps\n(gpio_generic_chip_init(), devm_gpiochip_add_data(),\nirq_domain_create_legacy(), or mxc_gpio_init_gc()) fail, the error\npaths never unregister the chained handler, leaving a dangling handler\nthat points at freed memory.\n\nMove the handler installation after all its dependencies are ready and\nafter list_add_tail(), so the handler is never live while the data\nstructures it touches are incomplete, and is never installed if probe\nfails."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T10:35:46.366Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/261802c14e1a3281987ea8f106701e5ed9652f68"
        },
        {
          "url": "https://git.kernel.org/stable/c/6c1e035d881579a6e4ed1ce5feabb13d23e80a82"
        },
        {
          "url": "https://git.kernel.org/stable/c/38d44f78f041ffe60c8e2443b99434a199e7541d"
        }
      ],
      "title": "gpio: mxc: fix race between chained IRQ handler install and probe completion",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-99189",
    "datePublished": "2026-10-28T10:35:46.366Z",
    "dateReserved": "2026-09-25T10:25:14.400Z",
    "dateUpdated": "2026-10-28T10:35:46.366Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}