{"id":"CVE-2022-50472","title":"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 i…","summary":"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 i…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.2, < 5.15.86","linux_kernel >= 5.16, < 6.0.16","linux_kernel >= 6.1, < 6.1.2"],"patched":["linux_kernel 6.1.2"],"published":"2025-10-04","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:17:30.830","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-50472","references":[{"url":"https://git.kernel.org/stable/c/47e31b86edff36f2d26cbc88ce695d98ff804178","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5c20311d76cbaeb7ed2ecf9c8b8322f8fc4a7ae3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cea70a572c0cb9728d728cfebe7d5bd485e97513","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d45e6ccb8e98d8339631f32984d345a663e74ce2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fa8a2f3be78e4585996bcf4c15e4504441a4c7a0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00367,"epssPercentile":0.30435,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-15T21:31:12.559331Z"},"ingestedAt":"2026-10-15T21:45:11.279Z","slug":"CVE-2022-50472","body":"## Overview\n\nIn 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 ]---\n\n## Affected\n\n- `linux_kernel >= 5.2, < 5.15.86`\n- `linux_kernel >= 5.16, < 6.0.16`\n- `linux_kernel >= 6.1, < 6.1.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.1.2`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}