{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53811", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-08T23:58:35.277Z", "datePublished": "2025-12-09T00:01:09.005Z", "dateUpdated": "2026-05-11T19:51:58.073Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:51:58.073Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Cap MSIX used to online CPUs + 1\n\nThe irdma driver can use a maximum number of msix vectors equal\nto num_online_cpus() + 1 and the kernel warning stack below is shown\nif that number is exceeded.\n\nThe kernel throws a warning as the driver tries to update the affinity\nhint with a CPU mask greater than the max CPU IDs. Fix this by capping\nthe MSIX vectors to num_online_cpus() + 1.\n\n WARNING: CPU: 7 PID: 23655 at include/linux/cpumask.h:106 irdma_cfg_ceq_vector+0x34c/0x3f0 [irdma]\n RIP: 0010:irdma_cfg_ceq_vector+0x34c/0x3f0 [irdma]\n Call Trace:\n irdma_rt_init_hw+0xa62/0x1290 [irdma]\n ? irdma_alloc_local_mac_entry+0x1a0/0x1a0 [irdma]\n ? __is_kernel_percpu_address+0x63/0x310\n ? rcu_read_lock_held_common+0xe/0xb0\n ? irdma_lan_unregister_qset+0x280/0x280 [irdma]\n ? irdma_request_reset+0x80/0x80 [irdma]\n ? ice_get_qos_params+0x84/0x390 [ice]\n irdma_probe+0xa40/0xfc0 [irdma]\n ? rcu_read_lock_bh_held+0xd0/0xd0\n ? irdma_remove+0x140/0x140 [irdma]\n ? rcu_read_lock_sched_held+0x62/0xe0\n ? down_write+0x187/0x3d0\n ? auxiliary_match_id+0xf0/0x1a0\n ? irdma_remove+0x140/0x140 [irdma]\n auxiliary_bus_probe+0xa6/0x100\n __driver_probe_device+0x4a4/0xd50\n ? __device_attach_driver+0x2c0/0x2c0\n driver_probe_device+0x4a/0x110\n __driver_attach+0x1aa/0x350\n bus_for_each_dev+0x11d/0x1b0\n ? subsys_dev_iter_init+0xe0/0xe0\n bus_add_driver+0x3b1/0x610\n driver_register+0x18e/0x410\n ? 0xffffffffc0b88000\n irdma_init_module+0x50/0xaa [irdma]\n do_one_initcall+0x103/0x5f0\n ? perf_trace_initcall_level+0x420/0x420\n ? do_init_module+0x4e/0x700\n ? __kasan_kmalloc+0x7d/0xa0\n ? kmem_cache_alloc_trace+0x188/0x2b0\n ? kasan_unpoison+0x21/0x50\n do_init_module+0x1d1/0x700\n load_module+0x3867/0x5260\n ? layout_and_allocate+0x3990/0x3990\n ? rcu_read_lock_held_common+0xe/0xb0\n ? rcu_read_lock_sched_held+0x62/0xe0\n ? rcu_read_lock_bh_held+0xd0/0xd0\n ? __vmalloc_node_range+0x46b/0x890\n ? lock_release+0x5c8/0xba0\n ? alloc_vm_area+0x120/0x120\n ? selinux_kernel_module_from_file+0x2a5/0x300\n ? __inode_security_revalidate+0xf0/0xf0\n ? __do_sys_init_module+0x1db/0x260\n __do_sys_init_module+0x1db/0x260\n ? load_module+0x5260/0x5260\n ? do_syscall_64+0x22/0x450\n do_syscall_64+0xa5/0x450\n entry_SYSCALL_64_after_hwframe+0x66/0xdb" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/infiniband/hw/irdma/hw.c" ], "versions": [ { "version": "44d9e52977a1b90b0db1c7f8b197c218e9226520", "lessThan": "87674a359ad173a3b8cd484e92e4f1901666da4c", "status": "affected", "versionType": "git" }, { "version": "44d9e52977a1b90b0db1c7f8b197c218e9226520", "lessThan": "b3bd44bf20cb3a6a47aa4373e1817147efb4be04", "status": "affected", "versionType": "git" }, { "version": "44d9e52977a1b90b0db1c7f8b197c218e9226520", "lessThan": "209e4aa9a7b636d8aaa1297e1d089ee2ed91d73f", "status": "affected", "versionType": "git" }, { "version": "44d9e52977a1b90b0db1c7f8b197c218e9226520", "lessThan": "9cd9842c46996ef62173c36619c746f57416bcb0", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/infiniband/hw/irdma/hw.c" ], "versions": [ { "version": "5.14", "status": "affected" }, { "version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.99", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.16", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2.3", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "5.15.99" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.1.16" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.2.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/87674a359ad173a3b8cd484e92e4f1901666da4c" }, { "url": "https://git.kernel.org/stable/c/b3bd44bf20cb3a6a47aa4373e1817147efb4be04" }, { "url": "https://git.kernel.org/stable/c/209e4aa9a7b636d8aaa1297e1d089ee2ed91d73f" }, { "url": "https://git.kernel.org/stable/c/9cd9842c46996ef62173c36619c746f57416bcb0" } ], "title": "RDMA/irdma: Cap MSIX used to online CPUs + 1", "x_generator": { "engine": "bippy-1.2.0" } } } }