{"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": "2026-09-24T15:21:04.961Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-24T15:21:04.961Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/signal.c"], "versions": [{"version": "7a0cf094944e2540758b7f957eb6846d5126f535", "lessThan": "e015d1ac6b43a23c52c5163299414ae77d7d4ae0", "status": "affected", "versionType": "git"}, {"version": "7a0cf094944e2540758b7f957eb6846d5126f535", "lessThan": "4ee7c4e4719a825052f42f02ec159b5b42b68fbc", "status": "affected", "versionType": "git"}, {"version": "7a0cf094944e2540758b7f957eb6846d5126f535", "lessThan": "148b0dae2a1755beb873a2aab51fb191414f068c", "status": "affected", "versionType": "git"}, {"version": "7a0cf094944e2540758b7f957eb6846d5126f535", "lessThan": "6b1de022304ef85284c5933a5fb8492f6f54efc9", "status": "affected", "versionType": "git"}, {"version": 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{"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-rc1", "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": "5.3", "versionEndExcluding": "5.10.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.15.221"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.1.188"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.12.109"}, {"vulnerable": 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"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", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/signal.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "e015d1ac6b43a23c52c5163299414ae77d7d4ae0", "status": "affected", "version": "7a0cf094944e2540758b7f957eb6846d5126f535", "versionType": "git"}, {"lessThan": "4ee7c4e4719a825052f42f02ec159b5b42b68fbc", "status": "affected", "version": "7a0cf094944e2540758b7f957eb6846d5126f535", "versionType": "git"}, {"lessThan": "148b0dae2a1755beb873a2aab51fb191414f068c", "status": "affected", "version": "7a0cf094944e2540758b7f957eb6846d5126f535", "versionType": "git"}, {"lessThan": "6b1de022304ef85284c5933a5fb8492f6f54efc9", "status": "affected", "version": "7a0cf094944e2540758b7f957eb6846d5126f535", "versionType": "git"}, {"lessThan": "03c8761e75d1619906bb503686f9cc1dfc6a67f4", "status": "affected", "version": "7a0cf094944e2540758b7f957eb6846d5126f535", "versionType": "git"}, {"lessThan": "a246da20c8e4ae4319511c698b9f26ad0ad1769f", "status": "affected", "version": "7a0cf094944e2540758b7f957eb6846d5126f535", "versionType": "git"}, {"lessThan": "b655c2040ce836afad5643842543567b31f8c11d", "status": "affected", "version": "7a0cf094944e2540758b7f957eb6846d5126f535", "versionType": "git"}, {"lessThan": "d19cdc167e696714509e87d3f7ae765b6e164589", "status": "affected", "version": "7a0cf094944e2540758b7f957eb6846d5126f535", "versionType": "git"}, {"status": "affected", "version": "e897dd22800f02bd48aefb1511fff0b2ce96e94c", "versionType": "git"}, {"status": "affected", "version": "2f0e9eed11ca778d0ec5507a739c28472fd4ca20", "versionType": "git"}, {"lessThan": "5.2", "status": "affected", "version": "5.1.20", "versionType": "semver"}, {"lessThan": "5.3", "status": "affected", "version": "5.2.3", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/signal.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.3"}, {"lessThan": "5.3", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.270", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.221", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.188", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.109", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.50", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-93222", "lastModified": "2026-09-24T16:17:17.437", "metrics": {}, "published": "2026-09-24T16:17:17.437", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/03c8761e75d1619906bb503686f9cc1dfc6a67f4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/148b0dae2a1755beb873a2aab51fb191414f068c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4ee7c4e4719a825052f42f02ec159b5b42b68fbc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6b1de022304ef85284c5933a5fb8492f6f54efc9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a246da20c8e4ae4319511c698b9f26ad0ad1769f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b655c2040ce836afad5643842543567b31f8c11d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d19cdc167e696714509e87d3f7ae765b6e164589"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e015d1ac6b43a23c52c5163299414ae77d7d4ae0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}