{"id":"CVE-2023-54234","summary":"scsi: mpi3mr: Fix missing mrioc-\u003eevtack_cmds initialization","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpi3mr: Fix missing mrioc-\u003eevtack_cmds initialization\n\nCommit c1af985d27da (\"scsi: mpi3mr: Add Event acknowledgment logic\")\nintroduced an array mrioc-\u003eevtack_cmds but initialization of the array\nelements was missed. They are just zero cleared. The function\nmpi3mr_complete_evt_ack() refers host_tag field of the elements. Due to the\nzero value of the host_tag field, the function calls clear_bit() for\nmrico-\u003eevtack_cmds_bitmap with wrong bit index. This results in memory\naccess to invalid address and \"BUG: KASAN: use-after-free\". This BUG was\nobserved at eHBA-9600 firmware update to version 8.3.1.0. To fix it, add\nthe missing initialization of mrioc-\u003eevtack_cmds.","modified":"2026-03-20T12:33:30.782118Z","published":"2025-12-30T12:11:25.021Z","related":["SUSE-SU-2026:0263-1","SUSE-SU-2026:0317-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54234.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/4e0dfdb48a824deac3dfbc67fb856ef2aee13529"},{"type":"WEB","url":"https://git.kernel.org/stable/c/67989091e11a974003ddf2ec39bc613df8eadd83"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e39ea831ebad4ab15c4748cb62a397a8abcca36e"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54234.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54234"},{"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":"c1af985d27da2d530c22604644e9025810f57d7c"},{"fixed":"4e0dfdb48a824deac3dfbc67fb856ef2aee13529"},{"fixed":"67989091e11a974003ddf2ec39bc613df8eadd83"},{"fixed":"e39ea831ebad4ab15c4748cb62a397a8abcca36e"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54234.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.17.0"},{"fixed":"6.1.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-54234.json"}}],"schema_version":"1.7.5"}