vulnerability
Ubuntu: (CVE-2021-46930): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Feb 27, 2024 | Nov 19, 2024 | Jun 26, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Feb 27, 2024
Added
Nov 19, 2024
Modified
Jun 26, 2025
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
Solution(s)
no-fix-ubuntu-packageubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-aws-5-4ubuntu-upgrade-linux-aws-fipsubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-4ubuntu-upgrade-linux-azure-fipsubuntu-upgrade-linux-bluefieldubuntu-upgrade-linux-fipsubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gcp-5-4ubuntu-upgrade-linux-gcp-fipsubuntu-upgrade-linux-gkeopubuntu-upgrade-linux-hwe-5-4ubuntu-upgrade-linux-ibmubuntu-upgrade-linux-ibm-5-4ubuntu-upgrade-linux-kvmubuntu-upgrade-linux-oracleubuntu-upgrade-linux-oracle-5-4ubuntu-upgrade-linux-raspiubuntu-upgrade-linux-raspi-5-4
References
- CVE-2021-46930
- https://attackerkb.com/topics/CVE-2021-46930
- URL-https://git.kernel.org/linus/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf
- URL-https://git.kernel.org/stable/c/249ddfbe00570d6dc76208e88017937d4d374c79
- URL-https://git.kernel.org/stable/c/3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295
- URL-https://git.kernel.org/stable/c/585e2b244dda7ea733274e4b8fa27853d625d3bf
- URL-https://git.kernel.org/stable/c/8c313e3bfd9adae8d5c4ba1cc696dcbc86fbf9bf
- URL-https://www.cve.org/CVERecord?id=CVE-2021-46930
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