cbcvebase.
CVE-2021-47180
published 2024-03-25

CVE-2021-47180: In the Linux kernel, the following vulnerability has been resolved: NFC: nci: fix memory leak in nci_allocate_device nfcmrvl_disconnect fails to free the…

PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.23%
13.3th percentile
In the Linux kernel, the following vulnerability has been resolved: NFC: nci: fix memory leak in nci_allocate_device nfcmrvl_disconnect fails to free the hci_dev field in struct nci_dev. Fix this by freeing hci_dev in nci_free_device. BUG: memory leak unreferenced object 0xffff888111ea6800 (size 1024): comm "kworker/1:0", pid 19, jiffies 4294942308 (age 13.580s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 60 fd 0c 81 88 ff ff .........`...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc include/linux/slab.h:552 [inline] [] kzalloc include/linux/slab.h:682 [inline] [] nci_hci_allocate+0x21/0xd0 net/nfc/nci/hci.c:784 [] nci_allocate_device net/nfc/nci/core.c:1170 [inline] [] nci_allocate_device+0x10b/0x160 net/nfc/nci/core.c:1132 [] nfcmrvl_nci_register_dev+0x10a/0x1c0 drivers/nfc/nfcmrvl/main.c:153 [] nfcmrvl_probe+0x223/0x290 drivers/nfc/nfcmrvl/usb.c:345 [] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [] driver_probe_device+0x84/0x100 drivers/base/dd.c:740 [] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846 [] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [] __device_attach+0x122/0x250 drivers/base/dd.c:914 [] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [] device_add+0x5be/0xc30 drivers/base/core.c:3109 [] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [] really_probe+0x159/0x4a0 drivers/base/dd.c:554

Affected

22 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.14.6-1 (bookworm)linux 5.14.6-1 (bookworm)
linuxlinux——
linuxlinux>= 11f54f228643d0248ec00ce8c9fb8d872f87e7b8 < 448a1cb12977f52142e6feb12022c59662d88dc1448a1cb12977f52142e6feb12022c59662d88dc1
linuxlinux>= 11f54f228643d0248ec00ce8c9fb8d872f87e7b8 < 4a621621c7af3cec21c47c349b30cd9c3cea11c84a621621c7af3cec21c47c349b30cd9c3cea11c8
linuxlinux>= 11f54f228643d0248ec00ce8c9fb8d872f87e7b8 < 2c2fb2df46ea866b49fea5ec7112ec3cd4896c742c2fb2df46ea866b49fea5ec7112ec3cd4896c74
linuxlinux>= 11f54f228643d0248ec00ce8c9fb8d872f87e7b8 < 0365701bc44e078682ee1224866a71897495c7ef0365701bc44e078682ee1224866a71897495c7ef
linuxlinux>= 11f54f228643d0248ec00ce8c9fb8d872f87e7b8 < af2a4426baf71163c0c354580ae98c7888a9aba7af2a4426baf71163c0c354580ae98c7888a9aba7
linuxlinux>= 11f54f228643d0248ec00ce8c9fb8d872f87e7b8 < b34cb7ac32cc8e5471dc773180ea9ae676b1a745b34cb7ac32cc8e5471dc773180ea9ae676b1a745
linuxlinux>= 11f54f228643d0248ec00ce8c9fb8d872f87e7b8 < 65234f50a90b64b335cbb9164b8a98c2a0d031dd65234f50a90b64b335cbb9164b8a98c2a0d031dd
linuxlinux>= 11f54f228643d0248ec00ce8c9fb8d872f87e7b8 < e0652f8bb44d6294eeeac06d703185357f25d50be0652f8bb44d6294eeeac06d703185357f25d50b
linuxlinux_kernel——
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>= 4.0 < 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 < 5.4.1235.4.123
linuxlinux_kernel>= 4.5 < 4.9.2714.9.271
linuxlinux_kernel>= 5.11 < 5.12.85.12.8
linuxlinux_kernel>= 5.5 < 5.10.415.10.41

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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