VDB-211946 · CVE-2022-2602 · ZDI-22-1462

Linux Kernel API io_uring privilege escalation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as very critical was found in Linux Kernel. This impacts the function io_uring of the component API. Such manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2022-2602. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (version unknown) and classified as very critical. Affected by this issue is the function io_uring of the component API. Impacted is confidentiality, integrity, and availability.

The weakness was released 10/21/2022 as ZDI-22-1462. The advisory is available at zerodayinitiative.com. This vulnerability is handled as CVE-2022-2602 since 08/01/2022. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/17/2025).

The vulnerability scanner Nessus provides a plugin with the ID 236696 (Alibaba Cloud Linux 3 : 0175: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0175)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236696). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 236696
Nessus Name: Alibaba Cloud Linux 3 : 0175: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0175)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/01/2022 🔍
10/21/2022 +81 days 🔍
10/21/2022 +0 days 🔍
05/17/2025 +939 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: ZDI-22-1462
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2022-2602 (🔍)
GCVE (CVE): GCVE-0-2022-2602
GCVE (VulDB): GCVE-100-211946

Entryinfo

Created: 10/21/2022 16:33
Updated: 05/17/2025 16:09
Changes: 10/21/2022 16:33 (39), 05/17/2025 16:09 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.