{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49191",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T01:49:39.286Z",
        "datePublished": "2025-02-26T01:55:38.124Z",
        "dateUpdated": "2026-05-11T18:54:53.083Z"
    },
    "containers": {
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            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T18:54:53.083Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmxser: fix xmit_buf leak in activate when LSR == 0xff\n\nWhen LSR is 0xff in ->activate() (rather unlike), we return an error.\nProvided ->shutdown() is not called when ->activate() fails, nothing\nactually frees the buffer in this case.\n\nFix this by properly freeing the buffer in a designated label. We jump\nthere also from the \"!info->type\" if now too."
                }
            ],
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                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
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                        "drivers/tty/mxser.c"
                    ],
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                            "lessThan": "376922045009f8ea2d20a8fa3475e95b47c41690",
                            "status": "affected",
                            "versionType": "git"
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                            "lessThan": "125b7c929fc9b1e5eaa344bceb6367dfa6fd3f9d",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "status": "affected",
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                            "status": "affected",
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                        },
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                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "6769140d304731f0a3b177470a2adb4bacd9036b",
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                            "status": "affected",
                            "versionType": "git"
                        },
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                            "status": "affected",
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                            "lessThan": "6dffc2035fbaada60ca8db59e0962e34f760370a",
                            "status": "affected",
                            "versionType": "git"
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                        {
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                            "lessThan": "cd3a4907ee334b40d7aa880c7ab310b154fd5cd4",
                            "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/tty/mxser.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.33",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.33",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.311",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.276",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.238",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.189",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.110",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.33",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16.19",
                            "lessThanOrEqual": "5.16.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.2",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
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                            "negate": false,
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/376922045009f8ea2d20a8fa3475e95b47c41690"
                },
                {
                    "url": "https://git.kernel.org/stable/c/125b7c929fc9b1e5eaa344bceb6367dfa6fd3f9d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/685b6d16bf89595310b5d61394c9b97cc9505c7c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/996291d06851a26678a0fab488b6e1f0677c0576"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2cd05c38a27bee7fb42aa4d43174d68ac55dac0f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b125b08dbee3611f03f53b71471813ed4ccafcdd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6c9041b2f90c0eace73106f22350e1d2c98f5edc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6dffc2035fbaada60ca8db59e0962e34f760370a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cd3a4907ee334b40d7aa880c7ab310b154fd5cd4"
                }
            ],
            "title": "mxser: fix xmit_buf leak in activate when LSR == 0xff",
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}