218 lines
14 KiB
JSON
218 lines
14 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2023-54292",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-12-30T12:06:44.527Z",
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"datePublished": "2025-12-30T12:23:30.419Z",
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"dateUpdated": "2026-10-15T21:41:44.172Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T09:19:01.476Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Fix data race on CQP request done\n\nKCSAN detects a data race on cqp_request->request_done memory location\nwhich is accessed locklessly in irdma_handle_cqp_op while being\nupdated in irdma_cqp_ce_handler.\n\nAnnotate lockless intent with READ_ONCE/WRITE_ONCE to avoid any\ncompiler optimizations like load fusing and/or KCSAN warning.\n\n[222808.417128] BUG: KCSAN: data-race in irdma_cqp_ce_handler [irdma] / irdma_wait_event [irdma]\n\n[222808.417532] write to 0xffff8e44107019dc of 1 bytes by task 29658 on cpu 5:\n[222808.417610] irdma_cqp_ce_handler+0x21e/0x270 [irdma]\n[222808.417725] cqp_compl_worker+0x1b/0x20 [irdma]\n[222808.417827] process_one_work+0x4d1/0xa40\n[222808.417835] worker_thread+0x319/0x700\n[222808.417842] kthread+0x180/0x1b0\n[222808.417852] ret_from_fork+0x22/0x30\n\n[222808.417918] read to 0xffff8e44107019dc of 1 bytes by task 29688 on cpu 1:\n[222808.417995] irdma_wait_event+0x1e2/0x2c0 [irdma]\n[222808.418099] irdma_handle_cqp_op+0xae/0x170 [irdma]\n[222808.418202] irdma_cqp_cq_destroy_cmd+0x70/0x90 [irdma]\n[222808.418308] irdma_puda_dele_rsrc+0x46d/0x4d0 [irdma]\n[222808.418411] irdma_rt_deinit_hw+0x179/0x1d0 [irdma]\n[222808.418514] irdma_ib_dealloc_device+0x11/0x40 [irdma]\n[222808.418618] ib_dealloc_device+0x2a/0x120 [ib_core]\n[222808.418823] __ib_unregister_device+0xde/0x100 [ib_core]\n[222808.418981] ib_unregister_device+0x22/0x40 [ib_core]\n[222808.419142] irdma_ib_unregister_device+0x70/0x90 [irdma]\n[222808.419248] i40iw_close+0x6f/0xc0 [irdma]\n[222808.419352] i40e_client_device_unregister+0x14a/0x180 [i40e]\n[222808.419450] i40iw_remove+0x21/0x30 [irdma]\n[222808.419554] auxiliary_bus_remove+0x31/0x50\n[222808.419563] device_remove+0x69/0xb0\n[222808.419572] device_release_driver_internal+0x293/0x360\n[222808.419582] driver_detach+0x7c/0xf0\n[222808.419592] bus_remove_driver+0x8c/0x150\n[222808.419600] driver_unregister+0x45/0x70\n[222808.419610] auxiliary_driver_unregister+0x16/0x30\n[222808.419618] irdma_exit_module+0x18/0x1e [irdma]\n[222808.419733] __do_sys_delete_module.constprop.0+0x1e2/0x310\n[222808.419745] __x64_sys_delete_module+0x1b/0x30\n[222808.419755] do_syscall_64+0x39/0x90\n[222808.419763] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\n[222808.419829] value changed: 0x01 -> 0x03"
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 9.8,
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"baseSeverity": "CRITICAL"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:N - CQP requests are issued directly from remote packet processing — `irdma_handle_syn_pkt()` creates an AH via CQP on an incoming TCP SYN to an iWARP listener, `irdma_add_conn_est_qh()` and the connection-teardown paths issue qhash CQP ops, and the IEQ path creates AHs from remote out-of-order MPA segments. A remote peer can therefore drive both CQP submission and completion traffic that races on the shared flag byte.\nAC:L - The attacker controls both sides of the race by driving an arbitrary rate of concurrent CQP operations (SYN/connection churn remotely, or concurrent verbs locally), which also exhausts the static request pool and forces the `kzalloc`/`dynamic` path. Non-atomic byte-wide RMW on a byte shared by three flags collides reliably at high operation rates.\nPR:N - The remote CM path that issues CQP requests runs during TCP SYN/MPA handling, before any MPA or application-level authentication. Even on the local path, `/dev/infiniband/uverbs*` is world-accessible (mode 0666) under standard rdma-core udev rules, so no privileges are needed.\nUI:N - The race is triggered purely by attacker-generated connection or verbs traffic against an already-configured RDMA device; no action by any local user or administrator is required.\nS:U - The corruption and its consequences are entirely within the kernel's own security authority — the irdma driver's request objects and the resources it manages. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - A stale `request_done` makes `irdma_handle_cqp_op()` report success while the hardware op is still in flight, so the request object is recycled while still referenced by `cqp->scratch_array`, and CQ/QP/MR/DMA memory is freed while the device still owns it. The resulting use-after-free on `kzalloc`'d requests gives an attacker control over freed-object contents and hence a read primitive.\nI:H - The same use-after-free leads to `cqp_request->callback_fcn(cqp_request)` being invoked on a concurrently reused object and to refcount underflow/double free; a lost update on the adjacent `dynamic` bit additionally causes `kfree()` of a pointer inside the `kcalloc`'d `cqp_requests` array (invalid free / slab corruption). Both are exploitable for kernel memory writes and control-flow hijack.\nA:H - A lost `request_done` drives the waiter to the CQP timeout, which calls `ice_rdma_request_reset(pf, IIDC_PFR)` — a full PF reset of the NIC — and latches `rf->reset`, failing all further CQP ops. A lost `waiting` bit skips `irdma_hw_modify_qp_callback()`, leaving `wait_event(iwqp->mod_qp_waitq, …)` (no timeout, uninterruptible) hung permanently, plus the UAF paths cause outright panics."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/infiniband/hw/irdma/hw.c",
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"drivers/infiniband/hw/irdma/main.h",
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"drivers/infiniband/hw/irdma/utils.c"
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],
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"versions": [
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"lessThan": "c5b5dbcbf91f769b8eb25f88e32a1522f920f37a",
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"status": "affected",
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"versionType": "git"
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/infiniband/hw/irdma/hw.c",
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"drivers/infiniband/hw/irdma/main.h",
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"drivers/infiniband/hw/irdma/utils.c"
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],
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"versions": [
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"version": "5.14",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.124",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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},
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{
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"version": "6.1.43",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.4.8",
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"lessThanOrEqual": "6.4.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.5",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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"references": [
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"url": "https://git.kernel.org/stable/c/c5b5dbcbf91f769b8eb25f88e32a1522f920f37a"
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},
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"url": "https://git.kernel.org/stable/c/5986e96be7d0b82e50a9c6b019ea3f1926fd8764"
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"url": "https://git.kernel.org/stable/c/b8b90ba636e3861665aef9a3eab5fcf92839a2c5"
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}
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],
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"title": "RDMA/irdma: Fix data race on CQP request done",
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"adp": [
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"type": "ssvc",
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"content": {
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"id": "CVE-2023-54292",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-10-15T21:40:07.713122Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"dateUpdated": "2026-10-15T21:41:44.172Z"
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} |