{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-93222",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-17T16:02:15.094Z",
        "datePublished": "2026-09-24T15:21:04.961Z",
        "dateUpdated": "2026-10-19T09:07:33.885Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:07:33.885Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsignal: avoid shared siginfo namespace rewrites\n\nsend_signal_locked() rewrites sender ids for the target namespace.  Group\nsends reuse the same siginfo, so one recipient can affect the next.\n\nCopy the siginfo before changing it."
                }
            ],
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/signal.c"
                    ],
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                            "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
                            "lessThan": "e015d1ac6b43a23c52c5163299414ae77d7d4ae0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
                            "lessThan": "4ee7c4e4719a825052f42f02ec159b5b42b68fbc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
                            "lessThan": "148b0dae2a1755beb873a2aab51fb191414f068c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "6b1de022304ef85284c5933a5fb8492f6f54efc9",
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                        },
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                            "lessThan": "03c8761e75d1619906bb503686f9cc1dfc6a67f4",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
                            "lessThan": "a246da20c8e4ae4319511c698b9f26ad0ad1769f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
                            "lessThan": "b655c2040ce836afad5643842543567b31f8c11d",
                            "status": "affected",
                            "versionType": "git"
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                        {
                            "version": "7a0cf094944e2540758b7f957eb6846d5126f535",
                            "lessThan": "d19cdc167e696714509e87d3f7ae765b6e164589",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e897dd22800f02bd48aefb1511fff0b2ce96e94c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2f0e9eed11ca778d0ec5507a739c28472fd4ca20",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.1.20",
                            "lessThan": "5.2",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.2.3",
                            "lessThan": "5.3",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/signal.c"
                    ],
                    "versions": [
                        {
                            "version": "5.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.3",
                            "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": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "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:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "5.10.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "5.15.221"
                                },
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                                    "versionStartIncluding": "5.3",
                                    "versionEndExcluding": "7.3"
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                                    "versionStartIncluding": "5.1.20"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e015d1ac6b43a23c52c5163299414ae77d7d4ae0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4ee7c4e4719a825052f42f02ec159b5b42b68fbc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/148b0dae2a1755beb873a2aab51fb191414f068c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6b1de022304ef85284c5933a5fb8492f6f54efc9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/03c8761e75d1619906bb503686f9cc1dfc6a67f4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a246da20c8e4ae4319511c698b9f26ad0ad1769f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b655c2040ce836afad5643842543567b31f8c11d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d19cdc167e696714509e87d3f7ae765b6e164589"
                }
            ],
            "title": "signal: avoid shared siginfo namespace rewrites",
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}