CVE-2021-46930

MEDIUM

Linux Kernel 5.2-5.4.169 5.10.0-5.10.89 5.15.0-5.15.12 - Use-After-Free in MTU3 Gadget Driver

Title source: llm
STIX 2.1

Description

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

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 12.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (11)
Linux/Linux < 5.2
Linux/Linux 5.10.90 - 5.10.*
Linux/Linux 5.15.13 - 5.15.*
Linux/Linux 5.16
Linux/Linux 5.2
Linux/Linux 5.4.170 - 5.4.*
Linux/Linux 83374e035b6286731c5aa617844c7b724294c2a7 - 249ddfbe00570d6dc76208e88017937d4d374c79
Linux/Linux 83374e035b6286731c5aa617844c7b724294c2a7 - 3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295
Linux/Linux 83374e035b6286731c5aa617844c7b724294c2a7 - 585e2b244dda7ea733274e4b8fa27853d625d3bf
Linux/Linux 83374e035b6286731c5aa617844c7b724294c2a7 - 8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf
... and 1 more
Published Feb 27, 2024
Tracked Since Feb 18, 2026