CVE-2021-46930

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-46930
In the Linux kernel, the following vulnerability has been resolved: usb: mtu3: fix list_head check warning This is caused by uninitialization of list_head. BUG: KASAN: use-after-free in __list_del_entry_valid+0x34/0xe4 Call trace: dump_backtrace+0x0/0x298 show_stack+0x24/0x34 dump_stack+0x130/0x1a8 print_address_description+0x88/0x56c __kasan_report+0x1b8/0x2a0 kasan_report+0x14/0x20 __asan_load8+0x9c/0xa0 __list_del_entry_valid+0x34/0xe4 mtu3_req_complete+0x4c/0x300 [mtu3] mtu3_gadget_stop+0x168/0x448 [mtu3] usb_gadget_unregister_driver+0x204/0x3a0 unregister_gadget_item+0x44/0xa4

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79 Patch
https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295 Patch
https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf Patch
https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

10 Apr 2024, 16:39

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79 - () https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79 - Patch
References () https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295 - () https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295 - Patch
References () https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf - () https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf - Patch
References () https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf - () https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf - Patch
CWE CWE-416
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

27 Feb 2024, 14:20

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: mtu3: corrección de advertencia de verificación de list_head Esto se debe a la desinicialización de list_head. ERROR: KASAN: uso después de la liberación en __list_del_entry_valid+0x34/0xe4 Rastreo de llamadas: dump_backtrace+0x0/0x298 show_stack+0x24/0x34 dump_stack+0x130/0x1a8 print_address_description+0x88/0x56c __kasan_report+0x1b8/0x2a0 kasan_report +0x14/0x20 __asan_load8+ 0x9c/0xa0 __list_del_entry_valid+0x34/0xe4 mtu3_req_complete+0x4c/0x300 [mtu3] mtu3_gadget_stop+0x168/0x448 [mtu3] usb_gadget_unregister_driver+0x204/0x3a0 unregister_gadget_item+0x44/0xa4

27 Feb 2024, 10:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-02-27 10:15

Updated : 2024-04-10 16:39

NVD link : CVE-2021-46930

Mitre link : CVE-2021-46930

CVE.ORG link : CVE-2021-46930

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

Use After Free