CVE-2023-52670

rpmsg: virtio: Free driver_override when rpmsg_remove()

Severity Score

6.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

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

rpmsg: virtio: Free driver_override when rpmsg_remove()

Free driver_override when rpmsg_remove(), otherwise
the following memory leak will occur:

unreferenced object 0xffff0000d55d7080 (size 128):
comm "kworker/u8:2", pid 56, jiffies 4294893188 (age 214.272s)
hex dump (first 32 bytes):
72 70 6d 73 67 5f 6e 73 00 00 00 00 00 00 00 00 rpmsg_ns........
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000009c94c9c1>] __kmem_cache_alloc_node+0x1f8/0x320
[<000000002300d89b>] __kmalloc_node_track_caller+0x44/0x70
[<00000000228a60c3>] kstrndup+0x4c/0x90
[<0000000077158695>] driver_set_override+0xd0/0x164
[<000000003e9c4ea5>] rpmsg_register_device_override+0x98/0x170
[<000000001c0c89a8>] rpmsg_ns_register_device+0x24/0x30
[<000000008bbf8fa2>] rpmsg_probe+0x2e0/0x3ec
[<00000000e65a68df>] virtio_dev_probe+0x1c0/0x280
[<00000000443331cc>] really_probe+0xbc/0x2dc
[<00000000391064b1>] __driver_probe_device+0x78/0xe0
[<00000000a41c9a5b>] driver_probe_device+0xd8/0x160
[<000000009c3bd5df>] __device_attach_driver+0xb8/0x140
[<0000000043cd7614>] bus_for_each_drv+0x7c/0xd4
[<000000003b929a36>] __device_attach+0x9c/0x19c
[<00000000a94e0ba8>] device_initial_probe+0x14/0x20
[<000000003c999637>] bus_probe_device+0xa0/0xac

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: rpmsg: virtio: Free driver_overridecuando rpmsg_remove() Free driver_override cuando rpmsg_remove(); de lo contrario, se producirá la siguiente pérdida de memoria: objeto sin referencia 0xffff0000d55d7080 (tamaño 128): comm "kworker/u8 :2", pid 56, santiamén 4294893188 (edad 214.272s) volcado hexadecimal (primeros 32 bytes): 72 70 6d 73 67 5f 6e 73 00 00 00 00 00 00 00 00 rpmsg_ns........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ retroceso: [<000000009c94c9c1>] __kmem_cache_alloc_node+0x1f8/0x320 [<000000002300d89b>] +0x44/ 0x70 [<00000000228a60c3>] kstrndup+0x4c/0x90 [<0000000077158695>] driver_set_override+0xd0/0x164 [<000000003e9c4ea5>] rpmsg_register_device_override+0x98/0x170 0000001c0c89a8>] rpmsg_ns_register_device+0x24/0x30 [<000000008bbf8fa2>] rpmsg_probe+0x2e0/ 0x3ec [<00000000e65a68df>] virtio_dev_probe+0x1c0/0x280 [<00000000443331cc>] very_probe+0xbc/0x2dc [<00000000391064b1>] __driver_probe_device+0x78/0xe0 [<00 000000a41c9a5b>] driver_probe_device+0xd8/0x160 [<000000009c3bd5df>] __device_attach_driver+0xb8/ 0x140 [<0000000043cd7614>] bus_for_each_drv+0x7c/0xd4 [<000000003b929a36>] __device_attach+0x9c/0x19c [<00000000a94e0ba8>] dispositivo_initial_probe+0x14/0x20 [<000 000003c999637>] bus_probe_device+0xa0/0xac

*Credits: N/A

CVSS Scores

CISAv3.1 6.6

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2024-03-07 CVE Reserved
2024-05-17 CVE Published
2024-05-18 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-401: Missing Release of Memory after Effective Lifetime

CAPEC

References (11)

URL	Tag	Source
https://git.kernel.org/stable/c/b0b03b8119633de0649da9bd506e4850c401ff2b	Vuln. Introduced
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/229ce47cbfdc7d3a9415eb676abbfb77d676cb08	2024-02-23
https://git.kernel.org/stable/c/dd50fe18c234bd5ff22f658f4d414e8fa8cd6a5d	2024-02-23
https://git.kernel.org/stable/c/69ca89d80f2c8a1f5af429b955637beea7eead30	2024-02-23
https://git.kernel.org/stable/c/2d27a7b19cb354c6d04bcdc9239e261ff29858d6	2024-02-23
https://git.kernel.org/stable/c/f4bb1d5daf77b1a95a43277268adf0d1430c2346	2024-02-01
https://git.kernel.org/stable/c/4e6cef3fae5c164968118a13f3fe293700adc81a	2024-02-01
https://git.kernel.org/stable/c/9a416d624e5fb7246ea97c11fbfea7e0e27abf43	2024-02-01
https://git.kernel.org/stable/c/d5362c37e1f8a40096452fc201c30e705750e687	2023-12-18

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"				>= 4.13 < 4.19.307 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 4.19.307"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.13 < 5.4.269 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 5.4.269"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.13 < 5.10.210 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 5.10.210"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.13 < 5.15.149 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 5.15.149"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.13 < 6.1.76 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 6.1.76"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.13 < 6.6.15 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 6.6.15"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.13 < 6.7.3 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 6.7.3"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.13 < 6.8 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.13 < 6.8"		en		Affected