{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47403", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T14:58:30.816Z", "datePublished": "2024-05-21T15:03:57.344Z", "dateUpdated": "2025-01-16T21:03:52.304Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:41:19.952Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipack: ipoctal: fix module reference leak\n\nA reference to the carrier module was taken on every open but was only\nreleased once when the final reference to the tty struct was dropped.\n\nFix this by taking the module reference and initialising the tty driver\ndata when installing the tty."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/ipack/devices/ipoctal.c"], "versions": [{"version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "31398849b84ebae0d43a1cf379cb9895597f221a", "status": "affected", "versionType": "git"}, {"version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "c0adb5a947dec6cff7050ec56d78ecd3916f9ce6", "status": "affected", "versionType": "git"}, {"version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "dde4c1429b97383689f755ce92b4ed1e84a9c92b", "status": "affected", "versionType": "git"}, {"version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "9c5b77a7ffc983b2429ce158b50497c5d3c86a69", "status": "affected", "versionType": "git"}, {"version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "3253c87e1e5bc0107aab773af2f135ebccf38666", "status": "affected", "versionType": "git"}, {"version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "7cea848678470daadbfdaa6a112b823c290f900c", "status": "affected", "versionType": "git"}, {"version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "811178f296b16af30264def74c8d2179a72d5562", "status": "affected", "versionType": "git"}, {"version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "bb8a4fcb2136508224c596a7e665bdba1d7c3c27", "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/ipack/devices/ipoctal.c"], "versions": [{"version": "3.18", "status": "affected"}, {"version": "0", "lessThan": "3.18", "status": "unaffected", "versionType": "semver"}, {"version": "4.4.286", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.285", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.249", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.209", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.151", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.71", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.14.10", "lessThanOrEqual": "5.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/31398849b84ebae0d43a1cf379cb9895597f221a"}, {"url": "https://git.kernel.org/stable/c/c0adb5a947dec6cff7050ec56d78ecd3916f9ce6"}, {"url": "https://git.kernel.org/stable/c/dde4c1429b97383689f755ce92b4ed1e84a9c92b"}, {"url": "https://git.kernel.org/stable/c/9c5b77a7ffc983b2429ce158b50497c5d3c86a69"}, {"url": "https://git.kernel.org/stable/c/3253c87e1e5bc0107aab773af2f135ebccf38666"}, {"url": "https://git.kernel.org/stable/c/7cea848678470daadbfdaa6a112b823c290f900c"}, {"url": "https://git.kernel.org/stable/c/811178f296b16af30264def74c8d2179a72d5562"}, {"url": "https://git.kernel.org/stable/c/bb8a4fcb2136508224c596a7e665bdba1d7c3c27"}], "title": "ipack: ipoctal: fix module reference leak", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-200", "lang": "en", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "affected": [{"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "82a82340bab6", "status": "affected"}]}, {"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "3.18", "status": "affected"}]}, {"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "unaffected"}]}, {"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "4.4.286", "status": "unaffected"}]}, {"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "4.9.285", "status": "unaffected"}]}, {"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "4.14.249", "status": "unaffected"}]}, {"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "4.19.209", "status": "unaffected"}]}, {"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "5.4.151", "status": "unaffected"}]}, {"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "5.10.71", "status": "unaffected"}]}, {"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "5.14.10", "status": "unaffected"}]}, {"vendor": "linux", "product": "linux_kernel", "cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "5.15", "status": "unaffected"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-01-16T21:03:26.200228Z", "id": "CVE-2021-47403", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-01-16T21:03:52.304Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.005Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/31398849b84ebae0d43a1cf379cb9895597f221a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/c0adb5a947dec6cff7050ec56d78ecd3916f9ce6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/dde4c1429b97383689f755ce92b4ed1e84a9c92b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9c5b77a7ffc983b2429ce158b50497c5d3c86a69", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/3253c87e1e5bc0107aab773af2f135ebccf38666", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7cea848678470daadbfdaa6a112b823c290f900c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/811178f296b16af30264def74c8d2179a72d5562", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/bb8a4fcb2136508224c596a7e665bdba1d7c3c27", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/31398849b84ebae0d43a1cf379cb9895597f221a", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/c0adb5a947dec6cff7050ec56d78ecd3916f9ce6", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/dde4c1429b97383689f755ce92b4ed1e84a9c92b", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9c5b77a7ffc983b2429ce158b50497c5d3c86a69", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/3253c87e1e5bc0107aab773af2f135ebccf38666", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7cea848678470daadbfdaa6a112b823c290f900c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/811178f296b16af30264def74c8d2179a72d5562", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/bb8a4fcb2136508224c596a7e665bdba1d7c3c27", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.005Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-47403", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-01-16T21:03:26.200228Z"}}}], "affected": [{"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "82a82340bab6"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "3.18"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "unaffected", "version": "0"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "unaffected", "version": "4.4.286"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "unaffected", "version": "4.9.285"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "unaffected", "version": "4.14.249"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "unaffected", "version": "\t4.19.209"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "unaffected", "version": "5.4.151"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "unaffected", "version": "5.10.71"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "unaffected", "version": "5.14.10"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "unaffected", "version": "5.15"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-200", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-22T19:15:52.078Z"}}], "cna": {"title": "ipack: ipoctal: fix module reference leak", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "31398849b84ebae0d43a1cf379cb9895597f221a", "versionType": "git"}, {"status": "affected", "version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "c0adb5a947dec6cff7050ec56d78ecd3916f9ce6", "versionType": "git"}, {"status": "affected", "version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "dde4c1429b97383689f755ce92b4ed1e84a9c92b", "versionType": "git"}, {"status": "affected", "version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "9c5b77a7ffc983b2429ce158b50497c5d3c86a69", "versionType": "git"}, {"status": "affected", "version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "3253c87e1e5bc0107aab773af2f135ebccf38666", "versionType": "git"}, {"status": "affected", "version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "7cea848678470daadbfdaa6a112b823c290f900c", "versionType": "git"}, {"status": "affected", "version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "811178f296b16af30264def74c8d2179a72d5562", "versionType": "git"}, {"status": "affected", "version": "82a82340bab6c251e0705339f60763718eaa2a22", "lessThan": "bb8a4fcb2136508224c596a7e665bdba1d7c3c27", "versionType": "git"}], "programFiles": ["drivers/ipack/devices/ipoctal.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.18"}, {"status": "unaffected", "version": "0", "lessThan": "3.18", "versionType": "semver"}, {"status": "unaffected", "version": "4.4.286", "versionType": "semver", "lessThanOrEqual": "4.4.*"}, {"status": "unaffected", "version": "4.9.285", "versionType": "semver", "lessThanOrEqual": "4.9.*"}, {"status": "unaffected", "version": "4.14.249", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.209", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.151", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.71", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.14.10", "versionType": "semver", "lessThanOrEqual": "5.14.*"}, {"status": "unaffected", "version": "5.15", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/ipack/devices/ipoctal.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/31398849b84ebae0d43a1cf379cb9895597f221a"}, {"url": "https://git.kernel.org/stable/c/c0adb5a947dec6cff7050ec56d78ecd3916f9ce6"}, {"url": "https://git.kernel.org/stable/c/dde4c1429b97383689f755ce92b4ed1e84a9c92b"}, {"url": "https://git.kernel.org/stable/c/9c5b77a7ffc983b2429ce158b50497c5d3c86a69"}, {"url": "https://git.kernel.org/stable/c/3253c87e1e5bc0107aab773af2f135ebccf38666"}, {"url": "https://git.kernel.org/stable/c/7cea848678470daadbfdaa6a112b823c290f900c"}, {"url": "https://git.kernel.org/stable/c/811178f296b16af30264def74c8d2179a72d5562"}, {"url": "https://git.kernel.org/stable/c/bb8a4fcb2136508224c596a7e665bdba1d7c3c27"}], "x_generator": {"engine": "bippy-5f407fcff5a0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipack: ipoctal: fix module reference leak\n\nA reference to the carrier module was taken on every open but was only\nreleased once when the final reference to the tty struct was dropped.\n\nFix this by taking the module reference and initialising the tty driver\ndata when installing the tty."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:41:19.952Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47403", "state": "PUBLISHED", "dateUpdated": "2025-01-16T21:03:52.304Z", "dateReserved": "2024-05-21T14:58:30.816Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-21T15:03:57.344Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "03EEFE91-17FE-4987-90A9-402982FB23D8", "versionEndExcluding": "4.4.286", "versionStartIncluding": "3.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "531DC051-E22F-4355-A06F-BE9AF2124AA3", "versionEndExcluding": "4.9.285", "versionStartIncluding": "4.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9DFC8239-9F26-43B2-A340-8EFC6BC6BDA8", "versionEndExcluding": "4.14.249", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "21C23429-F802-4256-B3C2-9EEA76AC11FF", "versionEndExcluding": "4.19.209", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BFFC8E38-107A-4B6F-9FFD-9B2FD8B89EF0", "versionEndExcluding": "5.4.151", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "60C740E4-6C54-40CD-A914-2232D8FC781D", "versionEndExcluding": "5.10.71", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1A437B0D-8305-4C72-B691-D26986A126CF", "versionEndExcluding": "5.14.10", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*", "matchCriteriaId": "E46C74C6-B76B-4C94-A6A4-FD2FFF62D644", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*", "matchCriteriaId": "60134C3A-06E4-48C1-B04F-2903732A4E56", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*", "matchCriteriaId": "0460DA88-8FE1-46A2-9DDA-1F1ABA552E71", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipack: ipoctal: fix module reference leak\n\nA reference to the carrier module was taken on every open but was only\nreleased once when the final reference to the tty struct was dropped.\n\nFix this by taking the module reference and initialising the tty driver\ndata when installing the tty."}, {"lang": "es", "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: ipack: ipoctal: reparar fuga de referencia del m\u00f3dulo. Se tom\u00f3 una referencia al m\u00f3dulo portador en cada apertura, pero solo se public\u00f3 una vez cuando se elimin\u00f3 la referencia final a la estructura tty. Solucione este problema tomando la referencia del m\u00f3dulo e inicializando los datos del controlador tty al instalar el tty."}], "id": "CVE-2021-47403", "lastModified": "2025-04-02T14:52:09.830", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-05-21T15:15:25.803", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/31398849b84ebae0d43a1cf379cb9895597f221a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3253c87e1e5bc0107aab773af2f135ebccf38666"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7cea848678470daadbfdaa6a112b823c290f900c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/811178f296b16af30264def74c8d2179a72d5562"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9c5b77a7ffc983b2429ce158b50497c5d3c86a69"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bb8a4fcb2136508224c596a7e665bdba1d7c3c27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c0adb5a947dec6cff7050ec56d78ecd3916f9ce6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dde4c1429b97383689f755ce92b4ed1e84a9c92b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/31398849b84ebae0d43a1cf379cb9895597f221a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3253c87e1e5bc0107aab773af2f135ebccf38666"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7cea848678470daadbfdaa6a112b823c290f900c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/811178f296b16af30264def74c8d2179a72d5562"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9c5b77a7ffc983b2429ce158b50497c5d3c86a69"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bb8a4fcb2136508224c596a7e665bdba1d7c3c27"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c0adb5a947dec6cff7050ec56d78ecd3916f9ce6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dde4c1429b97383689f755ce92b4ed1e84a9c92b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: ipack: ipoctal: fix module reference leak", "id": "2282333", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282333"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nipack: ipoctal: fix module reference leak\nA reference to the carrier module was taken on every open but was only\nreleased once when the final reference to the tty struct was dropped.\nFix this by taking the module reference and initialising the tty driver\ndata when installing the tty."], "name": "CVE-2021-47403", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47403\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47403\nhttps://lore.kernel.org/linux-cve-announce/2024052150-CVE-2021-47403-b338@gregkh/T"], "threat_severity": "Low"}