{"id":"CVE-2022-50402","summary":"drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers/md/md-bitmap: check the return value of md_bitmap_get_counter()\n\nCheck the return value of md_bitmap_get_counter() in case it returns\nNULL pointer, which will result in a null pointer dereference.\n\nv2: update the check to include other dereference","modified":"2026-04-02T08:28:29.106434Z","published":"2025-09-18T16:03:48.184Z","related":["SUSE-SU-2025:03614-1","SUSE-SU-2025:03615-1","SUSE-SU-2025:03628-1","SUSE-SU-2025:3716-1","SUSE-SU-2025:3761-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50402.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/100caacfa0ed26e061954c90cdc835d42f709536"},{"type":"WEB","url":"https://git.kernel.org/stable/c/21e9aac9a74d30907d44bae0d24c036cb3819406"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3bd548e5b819b8c0f2c9085de775c5c7bff9052f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5d8d046f3dba939e74e2414f009df426700430ed"},{"type":"WEB","url":"https://git.kernel.org/stable/c/99bef41f8e8d1d52b5cb34f2f193f1346192752b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b621d17fe8b079574c773800148fb86907f3445d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50402.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50402"},{"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":"d60b479d177a5735b6b4db6ee5280ef6653f50e7"},{"fixed":"21e9aac9a74d30907d44bae0d24c036cb3819406"},{"fixed":"5d8d046f3dba939e74e2414f009df426700430ed"},{"fixed":"100caacfa0ed26e061954c90cdc835d42f709536"},{"fixed":"b621d17fe8b079574c773800148fb86907f3445d"},{"fixed":"ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1"},{"fixed":"99bef41f8e8d1d52b5cb34f2f193f1346192752b"},{"fixed":"3bd548e5b819b8c0f2c9085de775c5c7bff9052f"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50402.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"}]}