{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-50080", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.941Z", "datePublished": "2024-10-29T00:50:22.561Z", "dateUpdated": "2024-11-05T09:54:39.288Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:54:39.288Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nublk: don't allow user copy for unprivileged device\n\nUBLK_F_USER_COPY requires userspace to call write() on ublk char\ndevice for filling request buffer, and unprivileged device can't\nbe trusted.\n\nSo don't allow user copy for unprivileged device."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/block/ublk_drv.c", "include/uapi/linux/ublk_cmd.h"], "versions": [{"version": "1172d5b8beca", "lessThan": "6414ab5c9c9c", "status": "affected", "versionType": "git"}, {"version": "1172d5b8beca", "lessThan": "8f3d5686a240", "status": "affected", "versionType": "git"}, {"version": "1172d5b8beca", "lessThan": "42aafd8b48ad", "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/block/ublk_drv.c", "include/uapi/linux/ublk_cmd.h"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.58", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.5", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12-rc4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/6414ab5c9c9c068eca6dc4fd3a036bc4b83164dc"}, {"url": "https://git.kernel.org/stable/c/8f3d5686a2409877c5e8e2540774d24ed2b4a4ce"}, {"url": "https://git.kernel.org/stable/c/42aafd8b48adac1c3b20fe5892b1b91b80c1a1e6"}], "title": "ublk: don't allow user copy for unprivileged device", "x_generator": {"engine": "bippy-9e1c9544281a"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FEC88080-D5B8-4C77-A0D1-810E9D61FD60", "versionEndExcluding": "6.6.58", "versionStartIncluding": "6.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6E62D61A-F704-44DB-A311-17B7534DA7BC", "versionEndExcluding": "6.11.5", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nublk: don't allow user copy for unprivileged device\n\nUBLK_F_USER_COPY requires userspace to call write() on ublk char\ndevice for filling request buffer, and unprivileged device can't\nbe trusted.\n\nSo don't allow user copy for unprivileged device."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ublk: no se permite la copia de usuario para dispositivos sin privilegios UBLK_F_USER_COPY requiere que el espacio de usuario llame a write() en el dispositivo char ublk para llenar el b\u00fafer de solicitud y no se puede confiar en el dispositivo sin privilegios. Por lo tanto, no se permite la copia de usuario para dispositivos sin privilegios."}], "id": "CVE-2024-50080", "lastModified": "2024-10-30T15:54:17.967", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-10-29T01:15:05.000", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/42aafd8b48adac1c3b20fe5892b1b91b80c1a1e6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6414ab5c9c9c068eca6dc4fd3a036bc4b83164dc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8f3d5686a2409877c5e8e2540774d24ed2b4a4ce"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ublk: don't allow user copy for unprivileged device", "id": "2322301", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2322301"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nublk: don't allow user copy for unprivileged device\nUBLK_F_USER_COPY requires userspace to call write() on ublk char\ndevice for filling request buffer, and unprivileged device can't\nbe trusted.\nSo don't allow user copy for unprivileged device."], "name": "CVE-2024-50080", "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": "2024-10-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50080\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50080\nhttps://lore.kernel.org/linux-cve-announce/2024102936-CVE-2024-50080-72ba@gregkh/T"], "threat_severity": "Moderate"}