{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-63961",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T07:54:57.023Z",
        "datePublished": "2026-07-19T14:55:50.993Z",
        "dateUpdated": "2026-07-20T06:41:41.563Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-20T06:41:41.563Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: altmodes/displayport: validate count before reading Status Update VDO\n\nA broken/malicious device can send the incorrect count for a status\nupdate VDO, which will cause the kernel to read uninitialized stack data\nand send it off elsewhere.\n\nFix this up by correctly verifying the count for the update object."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/typec/altmodes/displayport.c"
                    ],
                    "versions": [
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "74aabe9ea30fdfba924fce9594e6aa69a596a4bb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "dd7118c010f324497c275e8fd7a35c9baaa2a00f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "6ffdbcd7a02f3af8fff9b6519830369f574ed44c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "70e7045849e954e56dcbf441b6330e66bc996306",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "64bd6ccc5799f8473d1f37d4d8f53093dfec5c02",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "77a759ec30bc5fb0dd9c867b711d0acfed6c7faa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e3bb7d6894d9b6e67d6382bb03a46a1dc989588",
                            "lessThan": "8a18f896e667df491331371b55d4ad644dc51d60",
                            "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/usb/typec/altmodes/displayport.c"
                    ],
                    "versions": [
                        {
                            "version": "4.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.259",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.176",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.143",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.93",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.35",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.12",
                            "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": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.10.259"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.15.210"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.1.176"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.6.143"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.12.93"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.18.35"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "7.0.12"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/74aabe9ea30fdfba924fce9594e6aa69a596a4bb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dd7118c010f324497c275e8fd7a35c9baaa2a00f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6ffdbcd7a02f3af8fff9b6519830369f574ed44c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/70e7045849e954e56dcbf441b6330e66bc996306"
                },
                {
                    "url": "https://git.kernel.org/stable/c/64bd6ccc5799f8473d1f37d4d8f53093dfec5c02"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b10eff5abe6aa2a5af10ed17bddff76e3b6e6b9b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/77a759ec30bc5fb0dd9c867b711d0acfed6c7faa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8a18f896e667df491331371b55d4ad644dc51d60"
                }
            ],
            "title": "usb: typec: altmodes/displayport: validate count before reading Status Update VDO",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}