{"id":"CVE-2022-50472","summary":"IB/mad: Don't call to function that might sleep while in atomic context","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nIB/mad: Don't call to function that might sleep while in atomic context\n\nTracepoints are not allowed to sleep, as such the following splat is\ngenerated due to call to ib_query_pkey() in atomic context.\n\nWARNING: CPU: 0 PID: 1888000 at kernel/trace/ring_buffer.c:2492 rb_commit+0xc1/0x220\nCPU: 0 PID: 1888000 Comm: kworker/u9:0 Kdump: loaded Tainted: G           OE    --------- -  - 4.18.0-305.3.1.el8.x86_64 #1\n Hardware name: Red Hat KVM, BIOS 1.13.0-2.module_el8.3.0+555+a55c8938 04/01/2014\n Workqueue: ib-comp-unb-wq ib_cq_poll_work [ib_core]\n RIP: 0010:rb_commit+0xc1/0x220\n RSP: 0000:ffffa8ac80f9bca0 EFLAGS: 00010202\n RAX: ffff8951c7c01300 RBX: ffff8951c7c14a00 RCX: 0000000000000246\n RDX: ffff8951c707c000 RSI: ffff8951c707c57c RDI: ffff8951c7c14a00\n RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000\n R10: ffff8951c7c01300 R11: 0000000000000001 R12: 0000000000000246\n R13: 0000000000000000 R14: ffffffff964c70c0 R15: 0000000000000000\n FS:  0000000000000000(0000) GS:ffff8951fbc00000(0000) knlGS:0000000000000000\n CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007f20e8f39010 CR3: 000000002ca10005 CR4: 0000000000170ef0\n Call Trace:\n  ring_buffer_unlock_commit+0x1d/0xa0\n  trace_buffer_unlock_commit_regs+0x3b/0x1b0\n  trace_event_buffer_commit+0x67/0x1d0\n  trace_event_raw_event_ib_mad_recv_done_handler+0x11c/0x160 [ib_core]\n  ib_mad_recv_done+0x48b/0xc10 [ib_core]\n  ? trace_event_raw_event_cq_poll+0x6f/0xb0 [ib_core]\n  __ib_process_cq+0x91/0x1c0 [ib_core]\n  ib_cq_poll_work+0x26/0x80 [ib_core]\n  process_one_work+0x1a7/0x360\n  ? create_worker+0x1a0/0x1a0\n  worker_thread+0x30/0x390\n  ? create_worker+0x1a0/0x1a0\n  kthread+0x116/0x130\n  ? kthread_flush_work_fn+0x10/0x10\n  ret_from_fork+0x35/0x40\n ---[ end trace 78ba8509d3830a16 ]---","modified":"2026-04-02T08:28:32.571021Z","published":"2025-10-04T15:16:34.180Z","related":["SUSE-SU-2025:4111-1","SUSE-SU-2025:4139-1","SUSE-SU-2025:4149-1","SUSE-SU-2025:4320-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50472.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/47e31b86edff36f2d26cbc88ce695d98ff804178"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5c20311d76cbaeb7ed2ecf9c8b8322f8fc4a7ae3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cea70a572c0cb9728d728cfebe7d5bd485e97513"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fa8a2f3be78e4585996bcf4c15e4504441a4c7a0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50472.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50472"},{"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":"821bf1de45a1a084e2e11b1a2308777434194bfe"},{"fixed":"47e31b86edff36f2d26cbc88ce695d98ff804178"},{"fixed":"cea70a572c0cb9728d728cfebe7d5bd485e97513"},{"fixed":"fa8a2f3be78e4585996bcf4c15e4504441a4c7a0"},{"fixed":"5c20311d76cbaeb7ed2ecf9c8b8322f8fc4a7ae3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50472.json"}}],"schema_version":"1.7.5"}