{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-45978",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.090Z",
        "datePublished": "2026-05-27T12:18:36.753Z",
        "dateUpdated": "2026-05-27T12:18:36.753Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-27T12:18:36.753Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: greybus: lights: avoid NULL deref\n\ngb_lights_light_config() stores channel_count before allocating the\nchannels array. If kcalloc() fails, gb_lights_release() iterates the\nnon-zero count and dereferences light->channels, which is NULL.\n\nAllocate channels first and only then publish channels_count so the\ncleanup path can't walk a NULL pointer."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/staging/greybus/light.c"
                    ],
                    "versions": [
                        {
                            "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
                            "lessThan": "a118724d7641b832fa14323e2733e28ae4834552",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
                            "lessThan": "3cbe694d235d96f628ec7dc6ae4d8bdddb768699",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
                            "lessThan": "ba5022162da63059bae36c4fd84d7031f582c71f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
                            "lessThan": "65f2c608096d766540953d9b170d216aa3b5eb95",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
                            "lessThan": "01b91cb3e748032fd96bbe0043812b426a52f091",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
                            "lessThan": "06162d85f830582da6e9e5fcf9c9504d6da9ae0b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
                            "lessThan": "da46264a7016034a5bbbad034c012ef218b7d0af",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2870b52bae4c81823ffcb3ed2b0626fb39d64f48",
                            "lessThan": "efcffd9a6ad8d190651498d5eda53bfc7cf683a7",
                            "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/staging/greybus/light.c"
                    ],
                    "versions": [
                        {
                            "version": "4.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.252",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.202",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.165",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.128",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.75",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.14",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.4",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "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": "4.9",
                                    "versionEndExcluding": "5.10.252"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "5.15.202"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "6.1.165"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "6.6.128"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "6.12.75"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "6.18.14"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "6.19.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a118724d7641b832fa14323e2733e28ae4834552"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3cbe694d235d96f628ec7dc6ae4d8bdddb768699"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ba5022162da63059bae36c4fd84d7031f582c71f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/65f2c608096d766540953d9b170d216aa3b5eb95"
                },
                {
                    "url": "https://git.kernel.org/stable/c/01b91cb3e748032fd96bbe0043812b426a52f091"
                },
                {
                    "url": "https://git.kernel.org/stable/c/06162d85f830582da6e9e5fcf9c9504d6da9ae0b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/da46264a7016034a5bbbad034c012ef218b7d0af"
                },
                {
                    "url": "https://git.kernel.org/stable/c/efcffd9a6ad8d190651498d5eda53bfc7cf683a7"
                }
            ],
            "title": "staging: greybus: lights: avoid NULL deref",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}