{"id":"CVE-2024-57795","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-57795","generatedAt":"2026-10-28T02:13:18.251Z","title":"In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Remove the direct link to net_device The similar patch in siw is in the link: https://git.kernel.org/rdma/rdma/c/16b87037b48889 This problem also occurred in RXE.","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Remove the direct link to net_device\n\nThe similar patch in siw is in the link:\nhttps://git.kernel.org/rdma/rdma/c/16b87037b48889\n\nThis problem also occurred in RXE. The following analyze this problem.\nIn the following Call Traces:\n\"\nBUG: KASAN: slab-use-after-free in dev_get_flags+0x188/0x1d0 net/core/dev.c:8782\nRead of size 4 at addr ffff8880554640b0 by task kworker/1:4/5295\n\nCPU: 1 UID: 0 PID: 5295 Comm: kworker/1:4 Not tainted\n6.12.0-rc3-syzkaller-00399-g9197b73fd7bb #0\nHardware name: Google Compute Engine/Google Compute Engine,\nBIOS Google 09/13/2024\nWorkqueue: infiniband ib_cache_event_task\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:94 [inline]\n dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0x169/0x550 mm/kasan/report.c:488\n kasan_report+0x143/0x180 mm/kasan/report.c:601\n dev_get_flags+0x188/0x1d0 net/core/dev.c:8782\n rxe_query_port+0x12d/0x260 drivers/infiniband/sw/rxe/rxe_verbs.c:60\n __ib_query_port drivers/infiniband/core/device.c:2111 [inline]\n ib_query_port+0x168/0x7d0 drivers/infiniband/core/device.c:2143\n ib_cache_update+0x1a9/0xb80 drivers/infiniband/core/cache.c:1494\n ib_cache_event_task+0xf3/0x1e0 drivers/infiniband/core/cache.c:1568\n process_one_work kernel/workqueue.c:3229 [inline]\n process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310\n worker_thread+0x870/0xd30 kernel/workqueue.c:3391\n kthread+0x2f2/0x390 kernel/kthread.c:389\n ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244\n </TASK>\n\"\n\n1). In the link [1],\n\n\"\n infiniband syz2: set down\n\"\n\nThis means that on 839.350575, the event ib_cache_event_task was sent andi\nqueued in ib_wq.\n\n2). In the link [1],\n\n\"\n team0 (unregistering): Port device team_slave_0 removed\n\"\n\nIt indicates that before 843.251853, the net device should be freed.\n\n3). In the link [1],\n\n\"\n BUG: KASAN: slab-use-after-free in dev_get_flags+0x188/0x1d0\n\"\n\nThis means that on 850.559070, this slab-use-after-free problem occurred.\n\nIn all, on 839.350575, the event ib_cache_event_task was sent and queued\nin ib_wq,\n\nbefore 843.251853, the net device veth was freed.\n\non 850.559070, this event was executed, and the mentioned freed net device\nwas called. Thus, the above call trace occurred.\n\n[1] https://syzkaller.appspot.com/x/log.txt?x=12e7025f980000","published":"2025-01-15T13:15:12.000Z","lastModified":"2026-06-17T08:14:03.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["linux/linux kernel"],"epss":{"score":0.00222,"percentile":0.12701,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/2ac5415022d16d63d912a39a06f32f1f51140261","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/32ca3557d968e662957131374a5f81c9c9cdbba8","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9f6f54e6a6863131442b40e14d1792b090c7ce21","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-57795","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."}