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{"bugzilla": {"description": "kernel: block: fix q->blkg_list corruption during disk rebind", "id": "2281889", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2281889"}, "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:\nblock: fix q->blkg_list corruption during disk rebind\nMultiple gendisk instances can allocated/added for single request queue\nin case of disk rebind. blkg may still stay in q->blkg_list when calling\nblkcg_init_disk() for rebind, then q->blkg_list becomes corrupted.\nFix the list corruption issue by:\n- add blkg_init_queue() to initialize q->blkg_list & q->blkcg_mutex only\n- move calling blkg_init_queue() into blk_alloc_queue()\nThe list corruption should be started since commit f1c006f1c685 (\"blk-cgroup:\nsynchronize pd_free_fn() from blkg_free_workfn() and blkcg_deactivate_policy()\")\nwhich delays removing blkg from q->blkg_list into blkg_free_workfn()."], "name": "CVE-2024-35974", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-35974\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-35974\nhttps://lore.kernel.org/linux-cve-announce/2024052024-CVE-2024-35974-7008@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-07-12T22:09:35.123510+00:00", "updated": "2025-07-12T22:09:35.123578+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}