{"id":"CVE-2022-50472","revision":"75ba3f6af2ce44cd8b23d5efd8bb6bae","records":[{"revision":"75ba3f6af2ce44cd8b23d5efd8bb6bae","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-50472","aliases":[],"title":"IB/mad: Don't call to function that might sleep while in atomic context","description":"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 ]---","state":0,"publishedAt":"2025-10-04T15:16:34.18+00:00","modifiedAt":"2026-10-15T21:31:20.681+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/core/mad.c\",\n                        \"include/trace/events/ib_mad.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"821bf1de45a1a084e2e11b1a2308777434194bfe\",\n                            \"lessThan\": \"d45e6ccb8e98d8339631f32984d345a663e74ce2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"821bf1de45a1a084e2e11b1a2308777434194bfe\",\n                            \"lessThan\": \"47e31b86edff36f2d26cbc88ce695d98ff804178\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"821bf1de45a1a084e2e11b1a2308777434194bfe\",\n                            \"lessThan\": \"cea70a572c0cb9728d728cfebe7d5bd485e97513\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"821bf1de45a1a084e2e11b1a2308777434194bfe\",\n                            \"lessThan\": \"fa8a2f3be78e4585996bcf4c15e4504441a4c7a0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"821bf1de45a1a084e2e11b1a2308777434194bfe\",\n                            \"lessThan\": \"5c20311d76cbaeb7ed2ecf9c8b8322f8fc4a7ae3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/core/mad.c\",\n                        \"include/trace/events/ib_mad.h\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.258\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.86\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.0.16\",\n                            \"lessThanOrEqual\": \"6.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.2\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/d45e6ccb8e98d8339631f32984d345a663e74ce2","https://git.kernel.org/stable/c/47e31b86edff36f2d26cbc88ce695d98ff804178","https://git.kernel.org/stable/c/cea70a572c0cb9728d728cfebe7d5bd485e97513","https://git.kernel.org/stable/c/fa8a2f3be78e4585996bcf4c15e4504441a4c7a0","https://git.kernel.org/stable/c/5c20311d76cbaeb7ed2ecf9c8b8322f8fc4a7ae3"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50472","license":"CVE Program Terms of Use","key":"cve-program:CVE-2022-50472","identifiers":["CVE-2022-50472"]},"retained":false,"historicalAffected":[]}],"coverage":[]}