CVE-2022-25479

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

Vulnerability in Realtek RtsPer driver for PCIe Card Reader (RtsPer.sys) before 10.0.22000.21355 and Realtek RtsUer driver for USB Card Reader (RtsUer.sys) before 10.0.22000.31274 allows for the leakage of kernel memory from both the stack and the heap.

Una vulnerabilidad en el controlador Realtek RtsPer para lector de tarjetas PCIe (RtsPer.sys) anterior a 10.0.22000.21355 y el controlador Realtek RtsUer para lector de tarjetas USB (RtsUer.sys) anterior a 10.0.22000.31274 permite la pérdida de memoria del kernel tanto de la pila como del montón.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

Poc

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2022-02-21 CVE Reserved
2024-07-02 CVE Published
2024-10-28 CVE Updated
2024-11-18 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-401: Missing Release of Memory after Effective Lifetime

CAPEC

References (5)

URL	Tag	Source
http://realtek.com
https://gist.github.com/zwclose/feb16f1424779a61cb1d9f6d5681408a
https://www.realtek.com/images/safe-report/Realtek_RtsPer_RtsUer_Security_Advisory_Report.pdf
https://zwclose.github.io/2024/10/14/rtsper1.html

URL	Date	SRC
https://github.com/SpiralBL0CK/CVE-2024-40431-CVE-2022-25479-EOP-CHAIN	2024-11-18

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Realtek Search vendor "Realtek"		Rtsper Search vendor "Realtek" for product "Rtsper"				*		-		Affected
Realtek Search vendor "Realtek"		Rtsper Pcie Card Reader Driver Search vendor "Realtek" for product "Rtsper Pcie Card Reader Driver"				*		-		Affected
Realtek Search vendor "Realtek"		Rtsper Usb Card Reader Driver Search vendor "Realtek" for product "Rtsper Usb Card Reader Driver"				*		-		Affected
Realtek Search vendor "Realtek"		Rtsuer Search vendor "Realtek" for product "Rtsuer"				*		-		Affected