CVE-2024-36931

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-36931", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-30T15:25:07.071Z", "datePublished": "2024-05-30T15:29:22.601Z", "dateUpdated": "2026-05-11T20:17:15.909Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:17:15.909Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/cio: Ensure the copied buf is NUL terminated\n\nCurrently, we allocate a lbuf-sized kernel buffer and copy lbuf from\nuserspace to that buffer. Later, we use scanf on this buffer but we don't\nensure that the string is terminated inside the buffer, this can lead to\nOOB read when using scanf. Fix this issue by using memdup_user_nul instead."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/s390/cio/cio_inject.c"], "versions": [{"version": "a4f17cc726712a52122ad38540bc3ff3a052d1a4", "lessThan": "c9d48ce163305595ae20aee27774192476d5e6a5", "status": "affected", "versionType": "git"}, {"version": "a4f17cc726712a52122ad38540bc3ff3a052d1a4", "lessThan": "10452edd175fcc4fd0f5ac782ed2a002e3e5d65c", "status": "affected", "versionType": "git"}, {"version": "a4f17cc726712a52122ad38540bc3ff3a052d1a4", "lessThan": "84b38f48836662c4bfae646c014f4e981e16a2b2", "status": "affected", "versionType": "git"}, {"version": "a4f17cc726712a52122ad38540bc3ff3a052d1a4", "lessThan": "06759ebaf75c19c87b2453a5e130e9e61e9b5d65", "status": "affected", "versionType": "git"}, {"version": "a4f17cc726712a52122ad38540bc3ff3a052d1a4", "lessThan": "da7c622cddd4fe36be69ca61e8c42e43cde94784", "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/s390/cio/cio_inject.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.159", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.91", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.31", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8.10", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9", "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": "5.13", "versionEndExcluding": "5.15.159"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.31"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.8.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.9"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c9d48ce163305595ae20aee27774192476d5e6a5"}, {"url": "https://git.kernel.org/stable/c/10452edd175fcc4fd0f5ac782ed2a002e3e5d65c"}, {"url": "https://git.kernel.org/stable/c/84b38f48836662c4bfae646c014f4e981e16a2b2"}, {"url": "https://git.kernel.org/stable/c/06759ebaf75c19c87b2453a5e130e9e61e9b5d65"}, {"url": "https://git.kernel.org/stable/c/da7c622cddd4fe36be69ca61e8c42e43cde94784"}], "title": "s390/cio: Ensure the copied buf is NUL terminated", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-05T18:21:22.761012Z", "id": "CVE-2024-36931", "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": "2024-06-05T18:21:39.257Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:43:49.798Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/c9d48ce163305595ae20aee27774192476d5e6a5", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/10452edd175fcc4fd0f5ac782ed2a002e3e5d65c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/84b38f48836662c4bfae646c014f4e981e16a2b2", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/06759ebaf75c19c87b2453a5e130e9e61e9b5d65", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/da7c622cddd4fe36be69ca61e8c42e43cde94784", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-36931", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-30T15:25:07.071Z", "datePublished": "2024-05-30T15:29:22.601Z", "dateUpdated": "2024-06-05T18:21:39.257Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-30T15:29:22.601Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/cio: Ensure the copied buf is NUL terminated\n\nCurrently, we allocate a lbuf-sized kernel buffer and copy lbuf from\nuserspace to that buffer. Later, we use scanf on this buffer but we don't\nensure that the string is terminated inside the buffer, this can lead to\nOOB read when using scanf. Fix this issue by using memdup_user_nul instead."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/s390/cio/cio_inject.c"], "versions": [{"version": "a4f17cc72671", "lessThan": "c9d48ce16330", "status": "affected", "versionType": "git"}, {"version": "a4f17cc72671", "lessThan": "10452edd175f", "status": "affected", "versionType": "git"}, {"version": "a4f17cc72671", "lessThan": "84b38f488366", "status": "affected", "versionType": "git"}, {"version": "a4f17cc72671", "lessThan": "06759ebaf75c", "status": "affected", "versionType": "git"}, {"version": "a4f17cc72671", "lessThan": "da7c622cddd4", "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/s390/cio/cio_inject.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "custom"}, {"version": "5.15.159", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.1.91", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.6.31", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.8.10", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "custom"}, {"version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/c9d48ce163305595ae20aee27774192476d5e6a5"}, {"url": "https://git.kernel.org/stable/c/10452edd175fcc4fd0f5ac782ed2a002e3e5d65c"}, {"url": "https://git.kernel.org/stable/c/84b38f48836662c4bfae646c014f4e981e16a2b2"}, {"url": "https://git.kernel.org/stable/c/06759ebaf75c19c87b2453a5e130e9e61e9b5d65"}, {"url": "https://git.kernel.org/stable/c/da7c622cddd4fe36be69ca61e8c42e43cde94784"}], "title": "s390/cio: Ensure the copied buf is NUL terminated", "x_generator": {"engine": "bippy-a5840b7849dd"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-36931", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-05T18:21:22.761012Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-05T18:21:29.890Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/s390/cio/cio_inject.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c9d48ce163305595ae20aee27774192476d5e6a5", "status": "affected", "version": "a4f17cc726712a52122ad38540bc3ff3a052d1a4", "versionType": "git"}, {"lessThan": "10452edd175fcc4fd0f5ac782ed2a002e3e5d65c", "status": "affected", "version": "a4f17cc726712a52122ad38540bc3ff3a052d1a4", "versionType": "git"}, {"lessThan": "84b38f48836662c4bfae646c014f4e981e16a2b2", "status": "affected", "version": "a4f17cc726712a52122ad38540bc3ff3a052d1a4", "versionType": "git"}, {"lessThan": "06759ebaf75c19c87b2453a5e130e9e61e9b5d65", "status": "affected", "version": "a4f17cc726712a52122ad38540bc3ff3a052d1a4", "versionType": "git"}, {"lessThan": "da7c622cddd4fe36be69ca61e8c42e43cde94784", "status": "affected", "version": "a4f17cc726712a52122ad38540bc3ff3a052d1a4", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/s390/cio/cio_inject.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.13"}, {"lessThan": "5.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.159", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.91", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.31", "versionType": "semver"}, {"lessThanOrEqual": "6.8.*", "status": "unaffected", "version": "6.8.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.9", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3067E90C-C0BE-4923-8575-608C92595F8B", "versionEndExcluding": "5.15.159", "versionStartIncluding": "5.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4F8C886C-75AA-469B-A6A9-12BF1A29C0D5", "versionEndExcluding": "6.1.91", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CDDB1F69-36AC-41C1-9192-E7CCEF5FFC00", "versionEndExcluding": "6.6.31", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6A6B920C-8D8F-4130-86B4-AD334F4CF2E3", "versionEndExcluding": "6.8.10", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*", "matchCriteriaId": "22BEDD49-2C6D-402D-9DBF-6646F6ECD10B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*", "matchCriteriaId": "DF73CB2A-DFFD-46FB-9BFE-AA394F27EA37", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc3:*:*:*:*:*:*", "matchCriteriaId": "52048DDA-FC5A-4363-95A0-A6357B4D7F8C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc4:*:*:*:*:*:*", "matchCriteriaId": "A06B2CCF-3F43-4FA9-8773-C83C3F5764B2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc5:*:*:*:*:*:*", "matchCriteriaId": "F850DCEC-E08B-4317-A33B-D2DCF39F601B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc6:*:*:*:*:*:*", "matchCriteriaId": "91326417-E981-482E-A5A3-28BC1327521B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/cio: Ensure the copied buf is NUL terminated\n\nCurrently, we allocate a lbuf-sized kernel buffer and copy lbuf from\nuserspace to that buffer. Later, we use scanf on this buffer but we don't\nensure that the string is terminated inside the buffer, this can lead to\nOOB read when using scanf. Fix this issue by using memdup_user_nul instead."}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: s390/cio: aseg\u00farese de que el buf copiado tenga terminaci\u00f3n NUL. Actualmente, asignamos un b\u00fafer del kernel del tama\u00f1o de lbuf y copiamos lbuf del espacio de usuario a ese b\u00fafer. M\u00e1s adelante, usamos scanf en este b\u00fafer pero no nos aseguramos de que la cadena termine dentro del b\u00fafer, esto puede provocar una lectura OOB cuando usamos scanf. Solucione este problema utilizando memdup_user_nul en su lugar."}], "id": "CVE-2024-36931", "lastModified": "2026-06-17T07:37:23.387", "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": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-36931", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-05T18:21:22.761012Z", "version": "2.0.3"}}]}, "published": "2024-05-30T16:15:16.293", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/06759ebaf75c19c87b2453a5e130e9e61e9b5d65"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/10452edd175fcc4fd0f5ac782ed2a002e3e5d65c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/84b38f48836662c4bfae646c014f4e981e16a2b2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c9d48ce163305595ae20aee27774192476d5e6a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/da7c622cddd4fe36be69ca61e8c42e43cde94784"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/06759ebaf75c19c87b2453a5e130e9e61e9b5d65"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/10452edd175fcc4fd0f5ac782ed2a002e3e5d65c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/84b38f48836662c4bfae646c014f4e981e16a2b2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c9d48ce163305595ae20aee27774192476d5e6a5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/da7c622cddd4fe36be69ca61e8c42e43cde94784"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: s390/cio: Ensure the copied buf is NUL terminated", "id": "2284492", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2284492"}, "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-170->CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ns390/cio: Ensure the copied buf is NUL terminated\nCurrently, we allocate a lbuf-sized kernel buffer and copy lbuf from\nuserspace to that buffer. Later, we use scanf on this buffer but we don't\nensure that the string is terminated inside the buffer, this can lead to\nOOB read when using scanf. Fix this issue by using memdup_user_nul instead.", "A flaw was found in the Linux kernel\u2019s cio_inject module. Data from the user space is copied to a kernel buffer without making sure it is NULL terminated, causing an out-of-bounds read and resulting in a denial of service."], "name": "CVE-2024-36931", "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": "2024-05-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-36931\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36931\nhttps://lore.kernel.org/linux-cve-announce/2024053041-CVE-2024-36931-3201@gregkh/T"], "statement": "The cio_inject module is not built in the kernel shipped in Red Hat Enterprise Linux, so it is not affected by this vulnerability.", "threat_severity": "Moderate"}

{}