{"id":"CVE-2024-53184","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-53184","generatedAt":"2026-10-28T10:47:35.776Z","title":"In the Linux kernel, the following vulnerability has been resolved: um: ubd: Do not use drvdata in release The drvdata is not available in release.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\num: ubd: Do not use drvdata in release\n\nThe drvdata is not available in release. Let's just use container_of()\nto get the ubd instance. Otherwise, removing a ubd device will result\nin a crash:\n\nRIP: 0033:blk_mq_free_tag_set+0x1f/0xba\nRSP: 00000000e2083bf0  EFLAGS: 00010246\nRAX: 000000006021463a RBX: 0000000000000348 RCX: 0000000062604d00\nRDX: 0000000004208060 RSI: 00000000605241a0 RDI: 0000000000000348\nRBP: 00000000e2083c10 R08: 0000000062414010 R09: 00000000601603f7\nR10: 000000000000133a R11: 000000006038c4bd R12: 0000000000000000\nR13: 0000000060213a5c R14: 0000000062405d20 R15: 00000000604f7aa0\nKernel panic - not syncing: Segfault with no mm\nCPU: 0 PID: 17 Comm: kworker/0:1 Not tainted 6.8.0-rc3-00107-gba3f67c11638 #1\nWorkqueue: events mc_work_proc\nStack:\n 00000000 604f7ef0 62c5d000 62405d20\n e2083c30 6002c776 6002c755 600e47ff\n e2083c60 6025ffe3 04208060 603d36e0\nCall Trace:\n [<6002c776>] ubd_device_release+0x21/0x55\n [<6002c755>] ? ubd_device_release+0x0/0x55\n [<600e47ff>] ? kfree+0x0/0x100\n [<6025ffe3>] device_release+0x70/0xba\n [<60381d6a>] kobject_put+0xb5/0xe2\n [<6026027b>] put_device+0x19/0x1c\n [<6026a036>] platform_device_put+0x26/0x29\n [<6026ac5a>] platform_device_unregister+0x2c/0x2e\n [<6002c52e>] ubd_remove+0xb8/0xd6\n [<6002bb74>] ? mconsole_reply+0x0/0x50\n [<6002b926>] mconsole_remove+0x160/0x1cc\n [<6002bbbc>] ? mconsole_reply+0x48/0x50\n [<6003379c>] ? um_set_signals+0x3b/0x43\n [<60061c55>] ? update_min_vruntime+0x14/0x70\n [<6006251f>] ? dequeue_task_fair+0x164/0x235\n [<600620aa>] ? update_cfs_group+0x0/0x40\n [<603a0e77>] ? __schedule+0x0/0x3ed\n [<60033761>] ? um_set_signals+0x0/0x43\n [<6002af6a>] mc_work_proc+0x77/0x91\n [<600520b4>] process_scheduled_works+0x1af/0x2c3\n [<6004ede3>] ? assign_work+0x0/0x58\n [<600527a1>] worker_thread+0x2f7/0x37a\n [<6004ee3b>] ? set_pf_worker+0x0/0x64\n [<6005765d>] ? arch_local_irq_save+0x0/0x2d\n [<60058e07>] ? kthread_exit+0x0/0x3a\n [<600524aa>] ? worker_thread+0x0/0x37a\n [<60058f9f>] kthread+0x130/0x135\n [<6002068e>] new_thread_handler+0x85/0xb6","published":"2024-12-27T14:15:26.000Z","lastModified":"2026-06-17T08:08:31.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.0025,"percentile":0.16215,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/16cf8511680809a9f20b3dd224c06d482648f9e2","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/23d742a3fcd4781eed015a3a93e6a0e3ab1ef2a8","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2d194d951895df214e066d08146e77cb6e02c1d4","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/300e277e463e6326938dd55ea560eafa0f5c88a5","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/509ba8746f812e45a05034ba18b73db574693d11","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5727343348f34e11a7c5a2a944d5aa505731d876","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5bee35e5389f450a7eea7318deb9073e9414d3b1","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a5a75207efae4b558aaa34c288de7d6f2e926b4b","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e6e5a4cded9bef3a1b0a4fac815b7176eb9a18ec","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-53184","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}