{"id":"CVE-2024-50080","summary":"ublk: don't allow user copy for unprivileged device","details":"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.","modified":"2026-04-02T12:21:15.726529Z","published":"2024-10-29T00:50:22.561Z","related":["SUSE-SU-2024:3984-1","SUSE-SU-2024:4314-1","SUSE-SU-2024:4318-1","SUSE-SU-2024:4387-1","SUSE-SU-2025:20163-1","SUSE-SU-2025:20164-1","SUSE-SU-2025:20246-1","SUSE-SU-2025:20247-1","USN-7276-1","USN-7277-1","openSUSE-SU-2024:14500-1","openSUSE-SU-2025:14705-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50080.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/42aafd8b48adac1c3b20fe5892b1b91b80c1a1e6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6414ab5c9c9c068eca6dc4fd3a036bc4b83164dc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8f3d5686a2409877c5e8e2540774d24ed2b4a4ce"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50080.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-50080"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1172d5b8beca6b899deb9f7f2850e7e47ec16198"},{"fixed":"6414ab5c9c9c068eca6dc4fd3a036bc4b83164dc"},{"fixed":"8f3d5686a2409877c5e8e2540774d24ed2b4a4ce"},{"fixed":"42aafd8b48adac1c3b20fe5892b1b91b80c1a1e6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-50080.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}