{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89878",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.772Z",
        "datePublished": "2026-09-16T10:31:44.876Z",
        "dateUpdated": "2026-10-19T08:54:11.089Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:54:11.089Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: s2255: check firmware size before reading trailing marker\n\ns2255_probe() reads a 4-byte marker and version from the last 8 bytes\nof the firmware blob (fw->data[fw_size - 8] and [fw_size - 4]). If the\nfirmware file is shorter than 8 bytes, fw_size - 8 underflows and the\naccess reads out of bounds. Validate the firmware size before indexing."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/media/usb/s2255/s2255drv.c"
                    ],
                    "versions": [
                        {
                            "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
                            "lessThan": "6f6a5b0b0a84c2de0e152f2841e57bc226db924f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
                            "lessThan": "8eca0f85eeb0789be40e637bcf9a21c4265b6c6f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
                            "lessThan": "ffc27411ea60b8a09f1fea3d664b65210fdeb454",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
                            "lessThan": "5626785b0e4665326e4d96736c106161da09b2f0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
                            "lessThan": "3e03f1209c1c8a45a7bc559f4ecd79d9b33f706d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
                            "lessThan": "342632a4d8ba3fafc1556deee0b7a48dd7860336",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
                            "lessThan": "7d221859ba45d7228d0138c9a3e55bd3bb31e14e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
                            "lessThan": "330f2936ab768c7215322a476f033143e8891d28",
                            "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/s2255/s2255drv.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.28",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.28",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.51",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.5",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "2.6.28",
                                    "versionEndExcluding": "5.10.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "5.15.221"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "6.1.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "6.6.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "6.12.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "6.18.51"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "7.2.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6f6a5b0b0a84c2de0e152f2841e57bc226db924f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8eca0f85eeb0789be40e637bcf9a21c4265b6c6f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ffc27411ea60b8a09f1fea3d664b65210fdeb454"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5626785b0e4665326e4d96736c106161da09b2f0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3e03f1209c1c8a45a7bc559f4ecd79d9b33f706d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/342632a4d8ba3fafc1556deee0b7a48dd7860336"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7d221859ba45d7228d0138c9a3e55bd3bb31e14e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/330f2936ab768c7215322a476f033143e8891d28"
                }
            ],
            "title": "media: s2255: check firmware size before reading trailing marker",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}