{"id":"CVE-2024-38384","summary":"blk-cgroup: fix list corruption from reorder of WRITE -\u003elqueued","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nblk-cgroup: fix list corruption from reorder of WRITE -\u003elqueued\n\n__blkcg_rstat_flush() can be run anytime, especially when blk_cgroup_bio_start\nis being executed.\n\nIf WRITE of `-\u003elqueued` is re-ordered with READ of 'bisc-\u003elnode.next' in\nthe loop of __blkcg_rstat_flush(), `next_bisc` can be assigned with one\nstat instance being added in blk_cgroup_bio_start(), then the local\nlist in __blkcg_rstat_flush() could be corrupted.\n\nFix the issue by adding one barrier.","modified":"2026-04-16T04:34:16.996490354Z","published":"2024-06-24T13:50:51.033Z","related":["SUSE-SU-2024:2571-1","SUSE-SU-2024:2896-1","SUSE-SU-2024:2973-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/38xxx/CVE-2024-38384.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/714e59b5456e4d6e4295a9968c564abe193f461c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/785298ab6b802afa75089239266b6bbea590809c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d0aac2363549e12cc79b8e285f13d5a9f42fd08e"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/38xxx/CVE-2024-38384.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-38384"},{"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":"3b8cc6298724021da845f2f9fd7dd4b6829a6817"},{"fixed":"714e59b5456e4d6e4295a9968c564abe193f461c"},{"fixed":"785298ab6b802afa75089239266b6bbea590809c"},{"fixed":"d0aac2363549e12cc79b8e285f13d5a9f42fd08e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-38384.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}