{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"MEDIUM" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Fix potential shift-out-of-bounds in brcmf_fw_alloc_request()\n\nThis patch fixes a shift-out-of-bounds in brcmfmac that occurs in\nBIT(chiprev) when a 'chiprev' provided by the device is too large.\nIt should also not be equal to or greater than BITS_PER_TYPE(u32)\nas we do bitwise AND with a u32 variable and BIT(chiprev). The patch\nadds a check that makes the function return NULL if that is the case.\nNote that the NULL case is later handled by the bus-specific caller,\nbrcmf_usb_probe_cb() or brcmf_usb_reset_resume(), for example.\n\nFound by a modified version of syzkaller.\n\nUBSAN: shift-out-of-bounds in drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c\nshift exponent 151055786 is too large for 64-bit type 'long unsigned int'\nCPU: 0 PID: 1885 Comm: kworker/0:2 Tainted: G O 5.14.0+ #132\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n dump_stack_lvl+0x57/0x7d\n ubsan_epilogue+0x5/0x40\n __ubsan_handle_shift_out_of_bounds.cold+0x53/0xdb\n ? lock_chain_count+0x20/0x20\n brcmf_fw_alloc_request.cold+0x19/0x3ea\n ? brcmf_fw_get_firmwares+0x250/0x250\n ? brcmf_usb_ioctl_resp_wait+0x1a7/0x1f0\n brcmf_usb_get_fwname+0x114/0x1a0\n ? brcmf_usb_reset_resume+0x120/0x120\n ? number+0x6c4/0x9a0\n brcmf_c_process_clm_blob+0x168/0x590\n ? put_dec+0x90/0x90\n ? enable_ptr_key_workfn+0x20/0x20\n ? brcmf_common_pd_remove+0x50/0x50\n ? rcu_read_lock_sched_held+0xa1/0xd0\n brcmf_c_preinit_dcmds+0x673/0xc40\n ? brcmf_c_set_joinpref_default+0x100/0x100\n ? rcu_read_lock_sched_held+0xa1/0xd0\n ? rcu_read_lock_bh_held+0xb0/0xb0\n ? lock_acquire+0x19d/0x4e0\n ? find_held_lock+0x2d/0x110\n ? brcmf_usb_deq+0x1cc/0x260\n ? mark_held_locks+0x9f/0xe0\n ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n ? _raw_spin_unlock_irqrestore+0x47/0x50\n ? trace_hardirqs_on+0x1c/0x120\n ? brcmf_usb_deq+0x1a7/0x260\n ? brcmf_usb_rx_fill_all+0x5a/0xf0\n brcmf_attach+0x246/0xd40\n ? wiphy_new_nm+0x1476/0x1d50\n ? kmemdup+0x30/0x40\n brcmf_usb_probe+0x12de/0x1690\n ? brcmf_usbdev_qinit.constprop.0+0x470/0x470\n usb_probe_interface+0x25f/0x710\n really_probe+0x1be/0xa90\n __driver_probe_device+0x2ab/0x460\n ? usb_match_id.part.0+0x88/0xc0\n driver_probe_device+0x49/0x120\n __device_attach_driver+0x18a/0x250\n ? driver_allows_async_probing+0x120/0x120\n bus_for_each_drv+0x123/0x1a0\n ? bus_rescan_devices+0x20/0x20\n ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n ? trace_hardirqs_on+0x1c/0x120\n __device_attach+0x207/0x330\n ? device_bind_driver+0xb0/0xb0\n ? kobject_uevent_env+0x230/0x12c0\n bus_probe_device+0x1a2/0x260\n device_add+0xa61/0x1ce0\n ? __mutex_unlock_slowpath+0xe7/0x660\n ? __fw_devlink_link_to_suppliers+0x550/0x550\n usb_set_configuration+0x984/0x1770\n ? kernfs_create_link+0x175/0x230\n usb_generic_driver_probe+0x69/0x90\n usb_probe_device+0x9c/0x220\n really_probe+0x1be/0xa90\n __driver_probe_device+0x2ab/0x460\n driver_probe_device+0x49/0x120\n __device_attach_driver+0x18a/0x250\n ? driver_allows_async_probing+0x120/0x120\n bus_for_each_drv+0x123/0x1a0\n ? bus_rescan_devices+0x20/0x20\n ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n ? trace_hardirqs_on+0x1c/0x120\n __device_attach+0x207/0x330\n ? device_bind_driver+0xb0/0xb0\n ? kobject_uevent_env+0x230/0x12c0\n bus_probe_device+0x1a2/0x260\n device_add+0xa61/0x1ce0\n ? __fw_devlink_link_to_suppliers+0x550/0x550\n usb_new_device.cold+0x463/0xf66\n ? hub_disconnect+0x400/0x400\n ? _raw_spin_unlock_irq+0x24/0x30\n hub_event+0x10d5/0x3330\n ? hub_port_debounce+0x280/0x280\n ? __lock_acquire+0x1671/0x5790\n ? wq_calc_node_cpumask+0x170/0x2a0\n ? lock_release+0x640/0x640\n ? rcu_read_lock_sched_held+0xa1/0xd0\n ? rcu_read_lock_bh_held+0xb0/0xb0\n ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n process_one_work+0x873/0x13e0\n ? lock_release+0x640/0x640\n ? pwq_dec_nr_in_flight+0x320/0x320\n ? rwlock_bug.part.0+0x90/0x90\n worker_thread+0x8b/0xd10\n ? __kthread_parkme+0xd9/0x1d0\n ? pr\n---truncated---", "category":"general", "title":"Synopsis" } ], "publisher":{ "issuing_authority":"openEuler security committee", "name":"openEuler", "namespace":"https://www.openeuler.org", "contact_details":"openeuler-security@openeuler.org", "category":"vendor" }, "references":[ { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50551" }, { "summary":"CVE-2022-50551 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2022/csaf-openeuler-cve-2022-50551.json" }, { "summary":"openEuler-SA-2025-2659", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2659" }, { "summary":"CVE-2022-50551", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2022-50551&packageName=kernel" } ], "title":"openEuler cve CVE-2022-50551", "tracking":{ "initial_release_date":"2025-11-17T10:36:52+08:00", "revision_history":[ { "date":"2025-11-17T10:36:52+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2025-11-17T10:36:52+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2025-11-17T10:36:52+08:00", "id":"CVE-2022-50551", "version":"1.0.0", "status":"interim" } }, 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The patch\nadds a check that makes the function return NULL if that is the case.\nNote that the NULL case is later handled by the bus-specific caller,\nbrcmf_usb_probe_cb() or brcmf_usb_reset_resume(), for example.\n\nFound by a modified version of syzkaller.\n\nUBSAN: shift-out-of-bounds in drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c\nshift exponent 151055786 is too large for 64-bit type 'long unsigned int'\nCPU: 0 PID: 1885 Comm: kworker/0:2 Tainted: G O 5.14.0+ #132\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014\nWorkqueue: usb_hub_wq hub_event\nCall Trace:\n dump_stack_lvl+0x57/0x7d\n ubsan_epilogue+0x5/0x40\n __ubsan_handle_shift_out_of_bounds.cold+0x53/0xdb\n ? lock_chain_count+0x20/0x20\n brcmf_fw_alloc_request.cold+0x19/0x3ea\n ? brcmf_fw_get_firmwares+0x250/0x250\n ? brcmf_usb_ioctl_resp_wait+0x1a7/0x1f0\n brcmf_usb_get_fwname+0x114/0x1a0\n ? brcmf_usb_reset_resume+0x120/0x120\n ? number+0x6c4/0x9a0\n brcmf_c_process_clm_blob+0x168/0x590\n ? put_dec+0x90/0x90\n ? enable_ptr_key_workfn+0x20/0x20\n ? brcmf_common_pd_remove+0x50/0x50\n ? rcu_read_lock_sched_held+0xa1/0xd0\n brcmf_c_preinit_dcmds+0x673/0xc40\n ? brcmf_c_set_joinpref_default+0x100/0x100\n ? rcu_read_lock_sched_held+0xa1/0xd0\n ? rcu_read_lock_bh_held+0xb0/0xb0\n ? lock_acquire+0x19d/0x4e0\n ? find_held_lock+0x2d/0x110\n ? brcmf_usb_deq+0x1cc/0x260\n ? mark_held_locks+0x9f/0xe0\n ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n ? _raw_spin_unlock_irqrestore+0x47/0x50\n ? trace_hardirqs_on+0x1c/0x120\n ? brcmf_usb_deq+0x1a7/0x260\n ? brcmf_usb_rx_fill_all+0x5a/0xf0\n brcmf_attach+0x246/0xd40\n ? wiphy_new_nm+0x1476/0x1d50\n ? kmemdup+0x30/0x40\n brcmf_usb_probe+0x12de/0x1690\n ? brcmf_usbdev_qinit.constprop.0+0x470/0x470\n usb_probe_interface+0x25f/0x710\n really_probe+0x1be/0xa90\n __driver_probe_device+0x2ab/0x460\n ? usb_match_id.part.0+0x88/0xc0\n driver_probe_device+0x49/0x120\n __device_attach_driver+0x18a/0x250\n ? driver_allows_async_probing+0x120/0x120\n bus_for_each_drv+0x123/0x1a0\n ? bus_rescan_devices+0x20/0x20\n ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n ? trace_hardirqs_on+0x1c/0x120\n __device_attach+0x207/0x330\n ? device_bind_driver+0xb0/0xb0\n ? kobject_uevent_env+0x230/0x12c0\n bus_probe_device+0x1a2/0x260\n device_add+0xa61/0x1ce0\n ? __mutex_unlock_slowpath+0xe7/0x660\n ? __fw_devlink_link_to_suppliers+0x550/0x550\n usb_set_configuration+0x984/0x1770\n ? kernfs_create_link+0x175/0x230\n usb_generic_driver_probe+0x69/0x90\n usb_probe_device+0x9c/0x220\n really_probe+0x1be/0xa90\n __driver_probe_device+0x2ab/0x460\n driver_probe_device+0x49/0x120\n __device_attach_driver+0x18a/0x250\n ? driver_allows_async_probing+0x120/0x120\n bus_for_each_drv+0x123/0x1a0\n ? bus_rescan_devices+0x20/0x20\n ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n ? trace_hardirqs_on+0x1c/0x120\n __device_attach+0x207/0x330\n ? device_bind_driver+0xb0/0xb0\n ? kobject_uevent_env+0x230/0x12c0\n bus_probe_device+0x1a2/0x260\n device_add+0xa61/0x1ce0\n ? __fw_devlink_link_to_suppliers+0x550/0x550\n usb_new_device.cold+0x463/0xf66\n ? hub_disconnect+0x400/0x400\n ? _raw_spin_unlock_irq+0x24/0x30\n hub_event+0x10d5/0x3330\n ? hub_port_debounce+0x280/0x280\n ? __lock_acquire+0x1671/0x5790\n ? wq_calc_node_cpumask+0x170/0x2a0\n ? lock_release+0x640/0x640\n ? rcu_read_lock_sched_held+0xa1/0xd0\n ? rcu_read_lock_bh_held+0xb0/0xb0\n ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n process_one_work+0x873/0x13e0\n ? lock_release+0x640/0x640\n ? pwq_dec_nr_in_flight+0x320/0x320\n ? rwlock_bug.part.0+0x90/0x90\n worker_thread+0x8b/0xd10\n ? __kthread_parkme+0xd9/0x1d0\n ? pr\n---truncated---", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-20.03-LTS-SP4:bpftool-4.19.90-2511.2.0.0351.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2511.2.0.0351.oe2003sp4.aarch64", 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"openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-devel-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-tools-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-tools-debuginfo-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-tools-devel-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:perf-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:perf-debuginfo-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:python2-perf-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:python2-perf-debuginfo-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:python3-perf-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:python3-perf-debuginfo-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2511.2.0.0351.oe2003sp4.src" ], "details":"kernel security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2659" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"HIGH", "baseScore":7.0, "vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version":"3.1" }, "products":[ "openEuler-20.03-LTS-SP4:bpftool-4.19.90-2511.2.0.0351.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2511.2.0.0351.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2511.2.0.0351.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2511.2.0.0351.oe2003sp4.aarch64", 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"openEuler-20.03-LTS-SP4:python2-perf-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:python2-perf-debuginfo-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:python3-perf-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:python3-perf-debuginfo-4.19.90-2511.2.0.0351.oe2003sp4.x86_64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2511.2.0.0351.oe2003sp4.src" ] } ], "threats":[ { "details":"High", "category":"impact" } ], "title":"CVE-2022-50551" } ] }