{ "containers": { "cna": { "providerMetadata": { "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbnxt_re: avoid shift undefined behavior in bnxt_qplib_alloc_init_hwq\n\nUndefined behavior is triggered when bnxt_qplib_alloc_init_hwq is called\nwith hwq_attr->aux_depth != 0 and hwq_attr->aux_stride == 0.\nIn that case, \"roundup_pow_of_two(hwq_attr->aux_stride)\" gets called.\nroundup_pow_of_two is documented as undefined for 0.\n\nFix it in the one caller that had this combination.\n\nThe undefined behavior was detected by UBSAN:\n UBSAN: shift-out-of-bounds in ./include/linux/log2.h:57:13\n shift exponent 64 is too large for 64-bit type 'long unsigned int'\n CPU: 24 PID: 1075 Comm: (udev-worker) Not tainted 6.9.0-rc6+ #4\n Hardware name: Abacus electric, s.r.o. - servis@abacus.cz Super Server/H12SSW-iN, BIOS 2.7 10/25/2023\n Call Trace:\n \n dump_stack_lvl+0x5d/0x80\n ubsan_epilogue+0x5/0x30\n __ubsan_handle_shift_out_of_bounds.cold+0x61/0xec\n __roundup_pow_of_two+0x25/0x35 [bnxt_re]\n bnxt_qplib_alloc_init_hwq+0xa1/0x470 [bnxt_re]\n bnxt_qplib_create_qp+0x19e/0x840 [bnxt_re]\n bnxt_re_create_qp+0x9b1/0xcd0 [bnxt_re]\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? __kmalloc+0x1b6/0x4f0\n ? create_qp.part.0+0x128/0x1c0 [ib_core]\n ? __pfx_bnxt_re_create_qp+0x10/0x10 [bnxt_re]\n create_qp.part.0+0x128/0x1c0 [ib_core]\n ib_create_qp_kernel+0x50/0xd0 [ib_core]\n create_mad_qp+0x8e/0xe0 [ib_core]\n ? __pfx_qp_event_handler+0x10/0x10 [ib_core]\n ib_mad_init_device+0x2be/0x680 [ib_core]\n add_client_context+0x10d/0x1a0 [ib_core]\n enable_device_and_get+0xe0/0x1d0 [ib_core]\n ib_register_device+0x53c/0x630 [ib_core]\n ? srso_alias_return_thunk+0x5/0xfbef5\n bnxt_re_probe+0xbd8/0xe50 [bnxt_re]\n ? __pfx_bnxt_re_probe+0x10/0x10 [bnxt_re]\n auxiliary_bus_probe+0x49/0x80\n ? driver_sysfs_add+0x57/0xc0\n really_probe+0xde/0x340\n ? pm_runtime_barrier+0x54/0x90\n ? __pfx___driver_attach+0x10/0x10\n __driver_probe_device+0x78/0x110\n driver_probe_device+0x1f/0xa0\n __driver_attach+0xba/0x1c0\n bus_for_each_dev+0x8f/0xe0\n bus_add_driver+0x146/0x220\n driver_register+0x72/0xd0\n __auxiliary_driver_register+0x6e/0xd0\n ? __pfx_bnxt_re_mod_init+0x10/0x10 [bnxt_re]\n bnxt_re_mod_init+0x3e/0xff0 [bnxt_re]\n ? __pfx_bnxt_re_mod_init+0x10/0x10 [bnxt_re]\n do_one_initcall+0x5b/0x310\n do_init_module+0x90/0x250\n init_module_from_file+0x86/0xc0\n idempotent_init_module+0x121/0x2b0\n __x64_sys_finit_module+0x5e/0xb0\n do_syscall_64+0x82/0x160\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? syscall_exit_to_user_mode_prepare+0x149/0x170\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? syscall_exit_to_user_mode+0x75/0x230\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? do_syscall_64+0x8e/0x160\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? __count_memcg_events+0x69/0x100\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? count_memcg_events.constprop.0+0x1a/0x30\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? handle_mm_fault+0x1f0/0x300\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? do_user_addr_fault+0x34e/0x640\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? srso_alias_return_thunk+0x5/0xfbef5\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n RIP: 0033:0x7f4e5132821d\n Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e3 db 0c 00 f7 d8 64 89 01 48\n RSP: 002b:00007ffca9c906a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139\n RAX: ffffffffffffffda RBX: 0000563ec8a8f130 RCX: 00007f4e5132821d\n RDX: 0000000000000000 RSI: 00007f4e518fa07d RDI: 000000000000003b\n RBP: 00007ffca9c90760 R08: 00007f4e513f6b20 R09: 00007ffca9c906f0\n R10: 0000563ec8a8faa0 R11: 0000000000000246 R12: 00007f4e518fa07d\n R13: 0000000000020000 R14: 0000563ec8409e90 R15: 0000563ec8a8fa60\n \n ---[ end trace ]---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/infiniband/hw/bnxt_re/qplib_fp.c" ], "versions": [ { "version": "0c4dcd602817", "lessThan": "a658f011d89d", "status": "affected", "versionType": "git" }, { "version": "0c4dcd602817", "lessThan": "627493443f3a", "status": "affected", "versionType": "git" }, { "version": "0c4dcd602817", "lessThan": "8b799c00cea6", "status": "affected", "versionType": "git" }, { "version": "0c4dcd602817", "lessThan": "78cfd17142ef", "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/bnxt_re/qplib_fp.c" ], "versions": [ { "version": "5.7", "status": "affected" }, { "version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.33", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8.12", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9.3", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/a658f011d89dd20cf2c7cb4760ffd79201700b98" }, { "url": "https://git.kernel.org/stable/c/627493443f3a8458cb55cdae1da254a7001123bc" }, { "url": "https://git.kernel.org/stable/c/8b799c00cea6fcfe5b501bbaeb228c8821acb753" }, { "url": "https://git.kernel.org/stable/c/78cfd17142ef70599d6409cbd709d94b3da58659" } ], "title": "bnxt_re: avoid shift undefined behavior in bnxt_qplib_alloc_init_hwq", "x_generator": { "engine": "bippy-c9c4e1df01b2" } } }, "cveMetadata": { "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", "cveID": "CVE-2024-38540", "requesterUserId": "gregkh@kernel.org", "serial": "1", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.0" }