{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49948",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-06-18T10:57:27.382Z",
        "datePublished": "2025-06-18T11:00:12.364Z",
        "dateUpdated": "2026-05-23T15:23:20.872Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:23:20.872Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvt: Clear selection before changing the font\n\nWhen changing the console font with ioctl(KDFONTOP) the new font size\ncan be bigger than the previous font. A previous selection may thus now\nbe outside of the new screen size and thus trigger out-of-bounds\naccesses to graphics memory if the selection is removed in\nvc_do_resize().\n\nPrevent such out-of-memory accesses by dropping the selection before the\nvarious con_font_set() console handlers are called."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/tty/vt/vt.c"
                    ],
                    "versions": [
                        {
                            "version": "009e39ae44f4191188aeb6dfbf661b771dbbe515",
                            "lessThan": "c555cf04684fde39b5b0dd9fd80730030ee10c4a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "009e39ae44f4191188aeb6dfbf661b771dbbe515",
                            "lessThan": "e9ba4611ddf676194385506222cce7b0844e708e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "009e39ae44f4191188aeb6dfbf661b771dbbe515",
                            "lessThan": "f74b4a41c5d7c9522469917e3072e55d435efd9e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "009e39ae44f4191188aeb6dfbf661b771dbbe515",
                            "lessThan": "1cf1930369c9dc428d827b60260c53271bff3285",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "009e39ae44f4191188aeb6dfbf661b771dbbe515",
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                            "status": "affected",
                            "versionType": "git"
                        },
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                            "version": "009e39ae44f4191188aeb6dfbf661b771dbbe515",
                            "lessThan": "2535431ae967ad17585513649625fea7db28d4db",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "009e39ae44f4191188aeb6dfbf661b771dbbe515",
                            "lessThan": "c904fe03c4bd1f356a58797d39e2a5d0ca15cefc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "009e39ae44f4191188aeb6dfbf661b771dbbe515",
                            "lessThan": "566f9c9f89337792070b5a6062dff448b3e7977f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e60f8fcce05042e8f8cea25ee81fecc1222114cf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5812a9bc9d68a82c2cc839f88e6f7a05093ab39d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "863ad19fd654c485e3beec3575c4d74a1e74369e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dbc3fd44f957a39407e889287bf61fa0ef3ecc14",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0b2a0a58ad22f9d6dfc641bc5ec46057493f22a5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9f2d48f0745f921040df91bfe8fa7f0339cd7497",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3425e397fb23cc2e8e6fb8f5b8226dcb447e84dd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eeae0a12a16650ff494d5faefa371cd9e7079575",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3.2.85",
                            "lessThan": "3.3",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.10.105",
                            "lessThan": "3.11",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.12.68",
                            "lessThan": "3.13",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.16.40",
                            "lessThan": "3.17",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "3.18.45",
                            "lessThan": "3.19",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.1.36",
                            "lessThan": "4.2",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.4.31",
                            "lessThan": "4.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.8.7",
                            "lessThan": "4.9",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/tty/vt/vt.c"
                    ],
                    "versions": [
                        {
                            "version": "4.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.328",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.293",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.258",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.213",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.142",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.66",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.8",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0",
                            "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:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "4.9.328"
                                },
                                {
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                                },
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                                    "versionStartIncluding": "3.2.85"
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                                    "versionStartIncluding": "3.16.40"
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                                {
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                                    "versionStartIncluding": "3.18.45"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.1.36"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4.31"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.8.7"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c555cf04684fde39b5b0dd9fd80730030ee10c4a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e9ba4611ddf676194385506222cce7b0844e708e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f74b4a41c5d7c9522469917e3072e55d435efd9e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1cf1930369c9dc428d827b60260c53271bff3285"
                },
                {
                    "url": "https://git.kernel.org/stable/c/989201bb8c00b222235aff04e6200230d29dc7bb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2535431ae967ad17585513649625fea7db28d4db"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c904fe03c4bd1f356a58797d39e2a5d0ca15cefc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/566f9c9f89337792070b5a6062dff448b3e7977f"
                }
            ],
            "title": "vt: Clear selection before changing the font",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}