{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-68256",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-30T09:28:09.378Z",
        "datePublished": "2026-08-10T12:01:26.406Z",
        "dateUpdated": "2026-08-17T05:01:47.968Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T05:01:47.968Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: detect_link_and_local_sink: DP alt mode timeout path leaks prev_sink reference\n\nprev_sink is unconditionally retained via dc_sink_retain at function\n  entry, but the DP alt mode timeout path inside SIGNAL_TYPE_DISPLAY_PORT\n  returns false without releasing prev_sink. All other return paths in the\n  function correctly call dc_sink_release(prev_sink), making this the only\n  missing cleanup.\n\n(cherry picked from commit 45510cf662dcf46b5d8926d454f338809f107b9d)"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/amd/display/dc/link/link_detection.c"
                    ],
                    "versions": [
                        {
                            "version": "54618888d1ea7a26f8bccfb89e3c2420350c8047",
                            "lessThan": "f9922828a4ebd26286fbe0286cc61695e7d9b07b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54618888d1ea7a26f8bccfb89e3c2420350c8047",
                            "lessThan": "a59e493567d18ef3858be9368acd132a01ebfa09",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54618888d1ea7a26f8bccfb89e3c2420350c8047",
                            "lessThan": "4ee77643e6194f2deb62fe62f04396f9825e27d8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54618888d1ea7a26f8bccfb89e3c2420350c8047",
                            "lessThan": "58ea24dd96848626039296e9e8510270ec8dc4bf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54618888d1ea7a26f8bccfb89e3c2420350c8047",
                            "lessThan": "a6e14b976be48eebd8769cb5b883a6af7fc5ade1",
                            "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/gpu/drm/amd/display/dc/link/link_detection.c"
                    ],
                    "versions": [
                        {
                            "version": "6.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.148",
                            "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": "6.3",
                                    "versionEndExcluding": "6.6.148"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.12.101"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.18.42"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "7.1.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f9922828a4ebd26286fbe0286cc61695e7d9b07b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a59e493567d18ef3858be9368acd132a01ebfa09"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4ee77643e6194f2deb62fe62f04396f9825e27d8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/58ea24dd96848626039296e9e8510270ec8dc4bf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a6e14b976be48eebd8769cb5b883a6af7fc5ade1"
                }
            ],
            "title": "drm/amd/display: detect_link_and_local_sink: DP alt mode timeout path leaks prev_sink reference",
            "x_generator": {
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    }
}