CVE-2024-53184

um: ubd: Do not use drvdata in release

Severity Score

"-"

*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In the Linux kernel, the following vulnerability has been resolved:

um: ubd: Do not use drvdata in release

The drvdata is not available in release. Let's just use container_of()
to get the ubd instance. Otherwise, removing a ubd device will result
in a crash:

RIP: 0033:blk_mq_free_tag_set+0x1f/0xba
RSP: 00000000e2083bf0 EFLAGS: 00010246
RAX: 000000006021463a RBX: 0000000000000348 RCX: 0000000062604d00
RDX: 0000000004208060 RSI: 00000000605241a0 RDI: 0000000000000348
RBP: 00000000e2083c10 R08: 0000000062414010 R09: 00000000601603f7
R10: 000000000000133a R11: 000000006038c4bd R12: 0000000000000000
R13: 0000000060213a5c R14: 0000000062405d20 R15: 00000000604f7aa0
Kernel panic - not syncing: Segfault with no mm
CPU: 0 PID: 17 Comm: kworker/0:1 Not tainted 6.8.0-rc3-00107-gba3f67c11638 #1
Workqueue: events mc_work_proc
Stack:
00000000 604f7ef0 62c5d000 62405d20
e2083c30 6002c776 6002c755 600e47ff
e2083c60 6025ffe3 04208060 603d36e0
Call Trace:
[<6002c776>] ubd_device_release+0x21/0x55
[<6002c755>] ? ubd_device_release+0x0/0x55
[<600e47ff>] ? kfree+0x0/0x100
[<6025ffe3>] device_release+0x70/0xba
[<60381d6a>] kobject_put+0xb5/0xe2
[<6026027b>] put_device+0x19/0x1c
[<6026a036>] platform_device_put+0x26/0x29
[<6026ac5a>] platform_device_unregister+0x2c/0x2e
[<6002c52e>] ubd_remove+0xb8/0xd6
[<6002bb74>] ? mconsole_reply+0x0/0x50
[<6002b926>] mconsole_remove+0x160/0x1cc
[<6002bbbc>] ? mconsole_reply+0x48/0x50
[<6003379c>] ? um_set_signals+0x3b/0x43
[<60061c55>] ? update_min_vruntime+0x14/0x70
[<6006251f>] ? dequeue_task_fair+0x164/0x235
[<600620aa>] ? update_cfs_group+0x0/0x40
[<603a0e77>] ? __schedule+0x0/0x3ed
[<60033761>] ? um_set_signals+0x0/0x43
[<6002af6a>] mc_work_proc+0x77/0x91
[<600520b4>] process_scheduled_works+0x1af/0x2c3
[<6004ede3>] ? assign_work+0x0/0x58
[<600527a1>] worker_thread+0x2f7/0x37a
[<6004ee3b>] ? set_pf_worker+0x0/0x64
[<6005765d>] ? arch_local_irq_save+0x0/0x2d
[<60058e07>] ? kthread_exit+0x0/0x3a
[<600524aa>] ? worker_thread+0x0/0x37a
[<60058f9f>] kthread+0x130/0x135
[<6002068e>] new_thread_handler+0x85/0xb6

*Credits: N/A

CVSS Scores

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2024-11-19 CVE Reserved
2024-12-27 CVE Published
2024-12-27 CVE Updated
2024-12-28 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (9)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/23d742a3fcd4781eed015a3a93e6a0e3ab1ef2a8	2024-12-05
https://git.kernel.org/stable/c/300e277e463e6326938dd55ea560eafa0f5c88a5	2024-12-14
https://git.kernel.org/stable/c/509ba8746f812e45a05034ba18b73db574693d11	2024-12-14
https://git.kernel.org/stable/c/5727343348f34e11a7c5a2a944d5aa505731d876	2024-12-14
https://git.kernel.org/stable/c/a5a75207efae4b558aaa34c288de7d6f2e926b4b	2024-12-14
https://git.kernel.org/stable/c/2d194d951895df214e066d08146e77cb6e02c1d4	2024-12-09
https://git.kernel.org/stable/c/e6e5a4cded9bef3a1b0a4fac815b7176eb9a18ec	2024-12-05
https://git.kernel.org/stable/c/16cf8511680809a9f20b3dd224c06d482648f9e2	2024-12-05
https://git.kernel.org/stable/c/5bee35e5389f450a7eea7318deb9073e9414d3b1	2024-11-07

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.19.325 Search vendor "Linux" for product "Linux Kernel" and version " < 4.19.325"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.4.287 Search vendor "Linux" for product "Linux Kernel" and version " < 5.4.287"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.10.231 Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.231"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.15.174 Search vendor "Linux" for product "Linux Kernel" and version " < 5.15.174"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.1.120 Search vendor "Linux" for product "Linux Kernel" and version " < 6.1.120"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.6.64 Search vendor "Linux" for product "Linux Kernel" and version " < 6.6.64"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.11.11 Search vendor "Linux" for product "Linux Kernel" and version " < 6.11.11"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.12.2 Search vendor "Linux" for product "Linux Kernel" and version " < 6.12.2"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.13-rc1 Search vendor "Linux" for product "Linux Kernel" and version " < 6.13-rc1"		en		Affected