{"id":"CVE-2022-49298","summary":"staging: rtl8712: fix uninit-value in r871xu_drv_init()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix uninit-value in r871xu_drv_init()\n\nWhen 'tmpU1b' returns from r8712_read8(padapter, EE_9346CR) is 0,\n'mac[6]' will not be initialized.\n\nBUG: KMSAN: uninit-value in r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541\n r871xu_drv_init+0x2d54/0x3070 drivers/staging/rtl8712/usb_intf.c:541\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\n really_probe+0x653/0x14b0 drivers/base/dd.c:596\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\n driver_probe_device drivers/base/dd.c:782 [inline]\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\n usb_set_configuration+0x37e9/0x3ed0 drivers/usb/core/message.c:2170\n usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238\n usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293\n really_probe+0x653/0x14b0 drivers/base/dd.c:596\n __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:752\n driver_probe_device drivers/base/dd.c:782 [inline]\n __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:899\n bus_for_each_drv+0x2d6/0x3f0 drivers/base/bus.c:427\n __device_attach+0x593/0x8e0 drivers/base/dd.c:970\n device_initial_probe+0x4a/0x60 drivers/base/dd.c:1017\n bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487\n device_add+0x1fff/0x26e0 drivers/base/core.c:3405\n usb_new_device+0x1b8e/0x2950 drivers/usb/core/hub.c:2566\n hub_port_connect drivers/usb/core/hub.c:5358 [inline]\n hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]\n port_event drivers/usb/core/hub.c:5660 [inline]\n hub_event+0x58e3/0x89e0 drivers/usb/core/hub.c:5742\n process_one_work+0xdb6/0x1820 kernel/workqueue.c:2307\n worker_thread+0x10b3/0x21e0 kernel/workqueue.c:2454\n kthread+0x3c7/0x500 kernel/kthread.c:377\n ret_from_fork+0x1f/0x30\n\nLocal variable mac created at:\n r871xu_drv_init+0x1771/0x3070 drivers/staging/rtl8712/usb_intf.c:394\n usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396\n\nKMSAN: uninit-value in r871xu_drv_init\nhttps://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8","modified":"2026-04-02T08:27:28.202233Z","published":"2025-02-26T02:01:27.111Z","related":["SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1194-1","SUSE-SU-2025:1241-1","SUSE-SU-2025:1263-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49298.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0458e5428e5e959d201a40ffe71d762a79ecedc4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0b7371a22489cbb2e8e826ca03fb5ce92afb04fe"},{"type":"WEB","url":"https://git.kernel.org/stable/c/277faa442fe0c59f418ac53f47a78e1266addd65"},{"type":"WEB","url":"https://git.kernel.org/stable/c/52a0d88c328098b4e9fb8f2f3877fec0eff4104b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/70df04433fd351ba72bc635bd0b5fe443d9ac964"},{"type":"WEB","url":"https://git.kernel.org/stable/c/76a964ad0ea8f2b10abd69a7532e174a28258283"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f36e754a1f0bafb9feeea63463de78080acb6de0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ff727ab0b7d7a56b5ef281f12abd00c4b85894e9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49298.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49298"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef"},{"fixed":"0b7371a22489cbb2e8e826ca03fb5ce92afb04fe"},{"fixed":"277faa442fe0c59f418ac53f47a78e1266addd65"},{"fixed":"a6535d00a9d54ce1c2a8d86a85001ffb6844f9b2"},{"fixed":"52a0d88c328098b4e9fb8f2f3877fec0eff4104b"},{"fixed":"ff727ab0b7d7a56b5ef281f12abd00c4b85894e9"},{"fixed":"f36e754a1f0bafb9feeea63463de78080acb6de0"},{"fixed":"76a964ad0ea8f2b10abd69a7532e174a28258283"},{"fixed":"70df04433fd351ba72bc635bd0b5fe443d9ac964"},{"fixed":"0458e5428e5e959d201a40ffe71d762a79ecedc4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49298.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}