{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-31583",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-03-09T15:48:24.120Z",
        "datePublished": "2026-04-24T14:42:12.923Z",
        "dateUpdated": "2026-06-14T17:42:13.585Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-14T17:42:13.585Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: em28xx: fix use-after-free in em28xx_v4l2_open()\n\nem28xx_v4l2_open() reads dev->v4l2 without holding dev->lock,\ncreating a race with em28xx_v4l2_init()'s error path and\nem28xx_v4l2_fini(), both of which free the em28xx_v4l2 struct\nand set dev->v4l2 to NULL under dev->lock.\n\nThis race leads to two issues:\n - use-after-free in v4l2_fh_init() when accessing vdev->ctrl_handler,\n   since the video_device is embedded in the freed em28xx_v4l2 struct.\n - NULL pointer dereference in em28xx_resolution_set() when accessing\n   v4l2->norm, since dev->v4l2 has been set to NULL.\n\nFix this by moving the mutex_lock() before the dev->v4l2 read and\nadding a NULL check for dev->v4l2 under the lock."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/media/usb/em28xx/em28xx-video.c"
                    ],
                    "versions": [
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                            "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
                            "lessThan": "3c0283a59e36e3707c4a81f4952e362d31f876b8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "status": "affected",
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                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
                            "lessThan": "871b8ea8ef39a6c253594649f4339378fad3d0dd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
                            "lessThan": "6b9e66437cc6123ddedac141e1b8b6fcf57d2972",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
                            "lessThan": "dd2b888e08d3b3d6aacd65d76cd44fac11da750f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "8139a4d583abad45eb987b5a99b3281b6d435b7e",
                            "lessThan": "a66485a934c7187ae8e36517d40615fa2e961cff",
                            "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/usb/em28xx/em28xx-video.c"
                    ],
                    "versions": [
                        {
                            "version": "3.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.136",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.83",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.24",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.14",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.1",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "5.10.258"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/3c0283a59e36e3707c4a81f4952e362d31f876b8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2cbf81f76842e46bdf25823c70e1db4044a65678"
                },
                {
                    "url": "https://git.kernel.org/stable/c/38a327221f7f765e7d853b7bafe47e342441ec85"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b5d141ea15f173f15b9f0a72965902f3428c0d92"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5fb2940327722b4684d2f964b54c1c90aa277324"
                },
                {
                    "url": "https://git.kernel.org/stable/c/871b8ea8ef39a6c253594649f4339378fad3d0dd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6b9e66437cc6123ddedac141e1b8b6fcf57d2972"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dd2b888e08d3b3d6aacd65d76cd44fac11da750f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a66485a934c7187ae8e36517d40615fa2e961cff"
                }
            ],
            "title": "media: em28xx: fix use-after-free in em28xx_v4l2_open()",
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                "engine": "bippy-1.2.0"
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}