{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-68205",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-30T09:28:09.374Z",
        "datePublished": "2026-08-10T12:00:24.265Z",
        "dateUpdated": "2026-08-23T12:46:09.673Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-23T12:46:09.673Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-fwnode: Fix subdev owner overwritten in v4l2_async_register_subdev_sensor()\n\nThe v4l2 helper v4l2_async_register_subdev_sensor() calls\nv4l2_async_register_subdev(), which is a macro that expands to\n__v4l2_async_register_subdev(sd,THIS_MODULE). Since the macro is expanded\ninside v4l2-fwnode.c, THIS_MODULE resolves to the v4l2-fwnode module\nrather than the sensor driver module that originally set sd->owner. When\nv4l2-fwnode is built-in, THIS_MODULE evaluates to NULL, which then\noverwrites the sensor driver's owner with NULL.\n\nThis causes the problem that the sensor module's reference count is never\nincremented during async registration, so the module can be removed while\nthe subdevice is still in use by a notifier (e.g., a CSI-2 receiver\nbridge driver).\n\nFix this by renaming v4l2_async_register_subdev_sensor() to\n__v4l2_async_register_subdev_sensor() with an added explicit module\nargument and introducing a wrapper macro:\n    #define v4l2_async_register_subdev_sensor(sd) \\\n        __v4l2_async_register_subdev_sensor(sd, THIS_MODULE)\n\nThis ensures the sensor driver module is properly referenced even when\nthe sensor driver does not init the owner field before calling\nv4l2_async_register_subdev_sensor() and prevents premature module removal."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/media/v4l2-core/v4l2-fwnode.c",
                        "include/media/v4l2-async.h"
                    ],
                    "versions": [
                        {
                            "version": "aef69d54755d45edefbf347a51efd1673d7daed9",
                            "lessThan": "f35e85a9d919d7954d9a7752e4644c0b403ad025",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aef69d54755d45edefbf347a51efd1673d7daed9",
                            "lessThan": "c5e47cf9a6cffef73a1ed40b3648e6097aac165a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aef69d54755d45edefbf347a51efd1673d7daed9",
                            "lessThan": "47ef04cd13d38010b580056a9d8840aaab944841",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aef69d54755d45edefbf347a51efd1673d7daed9",
                            "lessThan": "caea6bc68c925d63ca33d21b2255f47181943d61",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aef69d54755d45edefbf347a51efd1673d7daed9",
                            "lessThan": "cf9732fd6c4f2f803ccfc46d89489b6635590270",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aef69d54755d45edefbf347a51efd1673d7daed9",
                            "lessThan": "067887ff93fddbb3a3fb84c900bc654ecfe5ba61",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "aef69d54755d45edefbf347a51efd1673d7daed9",
                            "lessThan": "06cb687a5132fcffe624c0070576ab852ac6b568",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/media/v4l2-core/v4l2-fwnode.c",
                        "include/media/v4l2-async.h"
                    ],
                    "versions": [
                        {
                            "version": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.266",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.217",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.151",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.101",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.42",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.6",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.10.266"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "5.15.217"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.6.151"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.12.101"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "6.18.42"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "7.1.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.15",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f35e85a9d919d7954d9a7752e4644c0b403ad025"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c5e47cf9a6cffef73a1ed40b3648e6097aac165a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/47ef04cd13d38010b580056a9d8840aaab944841"
                },
                {
                    "url": "https://git.kernel.org/stable/c/caea6bc68c925d63ca33d21b2255f47181943d61"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cf9732fd6c4f2f803ccfc46d89489b6635590270"
                },
                {
                    "url": "https://git.kernel.org/stable/c/067887ff93fddbb3a3fb84c900bc654ecfe5ba61"
                },
                {
                    "url": "https://git.kernel.org/stable/c/06cb687a5132fcffe624c0070576ab852ac6b568"
                }
            ],
            "title": "media: v4l2-fwnode: Fix subdev owner overwritten in v4l2_async_register_subdev_sensor()",
            "x_generator": {
                "engine": "bippy-1.2.0"
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}