{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-46191",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.104Z",
        "datePublished": "2026-05-28T09:36:44.961Z",
        "dateUpdated": "2026-10-15T01:21:13.270Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-19T11:59:53.468Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbcon: Avoid OOB font access if console rotation fails\n\nClear the font buffer if the reallocation during console rotation fails\nin fbcon_rotate_font(). The putcs implementations for the rotated buffer\nwill return early in this case. See [1] for an example.\n\nCurrently, fbcon_rotate_font() keeps the old buffer, which is too small\nfor the rotated font. Printing to the rotated console with a high-enough\ncharacter code will overflow the font buffer.\n\nv2:\n- fix typos in commit message"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/video/fbdev/core/fbcon_rotate.c"
                    ],
                    "versions": [
                        {
                            "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
                            "lessThan": "b51c343a81e6e806525a4435e22532c107dd7e9d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
                            "lessThan": "46cf3646dea54baeaa2eafe3fb1ba769947f31b0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
                            "lessThan": "524a6079395916fb3d790ef2bb46a1d2939b27dd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
                            "lessThan": "594973a2e54924d8ba31c9faac669fc1ba6fcb80",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
                            "lessThan": "ab6c34b9829d5de03f1d08a47a2253729a6e7e27",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
                            "lessThan": "7105d9f1387d63b15c9a860674fc92c959181f2f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
                            "lessThan": "b44cc78ff46b96e72d333a3be6aaaa0a14797263",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6cc50e1c5b57180fd37a31282000f43859b0fe73",
                            "lessThan": "e4ef723d8975a2694cc90733a6b888a5e2841842",
                            "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/video/fbdev/core/fbcon_rotate.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.15",
                            "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": "6.6.140",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.90",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.32",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.7",
                            "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": "2.6.15",
                                    "versionEndExcluding": "5.10.259"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.15",
                                    "versionEndExcluding": "5.15.210"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.15",
                                    "versionEndExcluding": "6.1.176"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.15",
                                    "versionEndExcluding": "6.6.140"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.15",
                                    "versionEndExcluding": "6.12.90"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.15",
                                    "versionEndExcluding": "6.18.32"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.15",
                                    "versionEndExcluding": "7.0.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.15",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b51c343a81e6e806525a4435e22532c107dd7e9d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/46cf3646dea54baeaa2eafe3fb1ba769947f31b0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/524a6079395916fb3d790ef2bb46a1d2939b27dd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/594973a2e54924d8ba31c9faac669fc1ba6fcb80"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ab6c34b9829d5de03f1d08a47a2253729a6e7e27"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7105d9f1387d63b15c9a860674fc92c959181f2f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b44cc78ff46b96e72d333a3be6aaaa0a14797263"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e4ef723d8975a2694cc90733a6b888a5e2841842"
                }
            ],
            "title": "fbcon: Avoid OOB font access if console rotation fails",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "x_adpType": "supplier",
                "providerMetadata": {
                    "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
                    "shortName": "siemens-SADP",
                    "dateUpdated": "2026-10-15T01:21:13.270Z"
                },
                "affected": [
                    {
                        "vendor": "Siemens",
                        "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
                        "versions": [
                            {
                                "status": "affected",
                                "version": "0",
                                "lessThan": "*",
                                "versionType": "custom"
                            }
                        ],
                        "defaultStatus": "unknown"
                    }
                ],
                "references": [
                    {
                        "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
                    }
                ]
            }
        ]
    }
}