cbcvebase.
CVE-2021-47173
published 2024-03-25

CVE-2021-47173: In the Linux kernel, the following vulnerability has been resolved: misc/uss720: fix memory leak in uss720_probe uss720_probe forgets to decrease the refcount…

PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.23%
13.3th percentile
In the Linux kernel, the following vulnerability has been resolved: misc/uss720: fix memory leak in uss720_probe uss720_probe forgets to decrease the refcount of usbdev in uss720_probe. Fix this by decreasing the refcount of usbdev by usb_put_dev. BUG: memory leak unreferenced object 0xffff888101113800 (size 2048): comm "kworker/0:1", pid 7, jiffies 4294956777 (age 28.870s) hex dump (first 32 bytes): ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1........... 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................ backtrace: [] kmalloc include/linux/slab.h:554 [inline] [] kzalloc include/linux/slab.h:684 [inline] [] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582 [] hub_port_connect drivers/usb/core/hub.c:5129 [inline] [] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] [] port_event drivers/usb/core/hub.c:5509 [inline] [] hub_event+0x1171/0x20c0 drivers/usb/core/hub.c:5591 [] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421 [] kthread+0x178/0x1b0 kernel/kthread.c:292 [] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Affected

22 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.14.6-1 (bookworm)linux 5.14.6-1 (bookworm)
linuxlinux——
linuxlinux>= 0f36163d3abefbda1b21a330b3fdf3c2dc076d94 < 5f46b2410db2c8f26b8bb91b40deebf4ec1843915f46b2410db2c8f26b8bb91b40deebf4ec184391
linuxlinux>= 0f36163d3abefbda1b21a330b3fdf3c2dc076d94 < 7889c70e6173ef358f3cd7578db127a489035a427889c70e6173ef358f3cd7578db127a489035a42
linuxlinux>= 0f36163d3abefbda1b21a330b3fdf3c2dc076d94 < bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364bcb30cc8f8befcbdbcf7a016e4dfd4747c54a364
linuxlinux>= 0f36163d3abefbda1b21a330b3fdf3c2dc076d94 < 386918878ce4cd676e4607233866e03c9399a46a386918878ce4cd676e4607233866e03c9399a46a
linuxlinux>= 0f36163d3abefbda1b21a330b3fdf3c2dc076d94 < 36b5ff1db1a4ef4fdbc2bae364344279f033ad8836b5ff1db1a4ef4fdbc2bae364344279f033ad88
linuxlinux>= 0f36163d3abefbda1b21a330b3fdf3c2dc076d94 < 5394ae9d8c7961dd93807fdf1b12a1dde96b0a555394ae9d8c7961dd93807fdf1b12a1dde96b0a55
linuxlinux>= 0f36163d3abefbda1b21a330b3fdf3c2dc076d94 < a3c3face38cb49932c62adcc1289914f1c742096a3c3face38cb49932c62adcc1289914f1c742096
linuxlinux>= 0f36163d3abefbda1b21a330b3fdf3c2dc076d94 < dcb4b8ad6a448532d8b681b5d1a7036210b622dedcb4b8ad6a448532d8b681b5d1a7036210b622de
linuxlinux_kernel>= 0 < 5.10.46-15.10.46-1
linuxlinux_kernel>= 0 < 5.14.6-15.14.6-1
linuxlinux_kernel>= 0 < 5.14.6-15.14.6-1
linuxlinux_kernel>= 0 < 5.14.6-15.14.6-1
linuxlinux_kernel>= 0 < 4.4.0-258.2924.4.0-258.292
linuxlinux_kernel>= 2.6.14 < 4.4.2714.4.271
linuxlinux_kernel>= 4.10 < 4.14.2354.14.235
linuxlinux_kernel>= 4.15 < 4.19.1934.19.193
linuxlinux_kernel>= 4.20 < 5.4.1245.4.124
linuxlinux_kernel>= 4.5 < 4.9.2714.9.271
linuxlinux_kernel>= 5.11 < 5.12.95.12.9
linuxlinux_kernel>= 5.5 < 5.10.425.10.42

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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