CVE-2021-47180
"NXP NFC Linux Kernel Unreferenced Object Memory Leak"
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
INFO
Published Date :
March 25, 2024, 10:15 a.m.
Last Modified :
Jan. 7, 2025, 5:17 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to a patched version.
- Reboot the system to apply the update.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47180.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47180 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47180
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47180 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47180 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jan. 07, 2025
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE NIST CWE-401 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.0 up to (excluding) 4.4.271 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.271 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.235 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.193 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.123 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.41 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.8 *cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:* Changed Reference Type https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef No Types Assigned https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef Patch Changed Reference Type https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef No Types Assigned https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef Patch Changed Reference Type https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74 No Types Assigned https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74 Patch Changed Reference Type https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74 No Types Assigned https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74 Patch Changed Reference Type https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1 No Types Assigned https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1 Patch Changed Reference Type https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1 No Types Assigned https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1 Patch Changed Reference Type https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8 No Types Assigned https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8 Patch Changed Reference Type https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8 No Types Assigned https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8 Patch Changed Reference Type https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd No Types Assigned https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd Patch Changed Reference Type https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd No Types Assigned https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd Patch Changed Reference Type https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7 No Types Assigned https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7 Patch Changed Reference Type https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7 No Types Assigned https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7 Patch Changed Reference Type https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745 No Types Assigned https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745 Patch Changed Reference Type https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745 No Types Assigned https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745 Patch Changed Reference Type https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b No Types Assigned https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b Patch Changed Reference Type https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b No Types Assigned https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef Added Reference https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74 Added Reference https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1 Added Reference https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8 Added Reference https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd Added Reference https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7 Added Reference https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745 Added Reference https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Mar. 25, 2024
Action Type Old Value New Value Added 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 Added Reference kernel.org https://git.kernel.org/stable/c/448a1cb12977f52142e6feb12022c59662d88dc1 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/4a621621c7af3cec21c47c349b30cd9c3cea11c8 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/2c2fb2df46ea866b49fea5ec7112ec3cd4896c74 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/0365701bc44e078682ee1224866a71897495c7ef [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/af2a4426baf71163c0c354580ae98c7888a9aba7 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/b34cb7ac32cc8e5471dc773180ea9ae676b1a745 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/65234f50a90b64b335cbb9164b8a98c2a0d031dd [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/e0652f8bb44d6294eeeac06d703185357f25d50b [No types assigned]