CVE - CVE-2021-47180

CVE-ID
CVE-2021-47180	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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: [<000000004bc25d43>] kmalloc include/linux/slab.h:552 [inline] [<000000004bc25d43>] kzalloc include/linux/slab.h:682 [inline] [<000000004bc25d43>] nci_hci_allocate+0x21/0xd0 net/nfc/nci/hci.c:784 [<00000000c59cff92>] nci_allocate_device net/nfc/nci/core.c:1170 [inline] [<00000000c59cff92>] nci_allocate_device+0x10b/0x160 net/nfc/nci/core.c:1132 [<00000000006e0a8e>] nfcmrvl_nci_register_dev+0x10a/0x1c0 drivers/nfc/nfcmrvl/main.c:153 [<000000004da1b57e>] nfcmrvl_probe+0x223/0x290 drivers/nfc/nfcmrvl/usb.c:345 [<00000000d506aed9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [<00000000f5009125>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740 [<000000000ce658ca>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846 [<000000007067d05f>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [<00000000f8e13372>] __device_attach+0x122/0x250 drivers/base/dd.c:914 [<000000009cf68860>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [<00000000359c965a>] device_add+0x5be/0xc30 drivers/base/core.c:3109 [<00000000086e4bd3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [<00000000ca036872>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [<00000000d40d36f6>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [<00000000bc632c92>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef URL:https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef MISC:https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74 URL:https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74 MISC:https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1 URL:https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1 MISC:https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8 URL:https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8 MISC:https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd URL:https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd MISC:https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7 URL:https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7 MISC:https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745 URL:https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745 MISC:https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b URL:https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b
Assigning CNA
kernel.org
Date Record Created
20240325	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240325)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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