VDB-200096 · CVE-2022-29581 · Nessus 276356

Linux Kernel up to 4.13/5.17 net/sched reference count

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.
8.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 4.13/5.17. The affected element is an unknown function of the file net/sched. Such manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2022-29581. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 4.13/5.17 (Operating System). It has been rated as critical. Affected by this issue is an unknown functionality of the file net/sched. Using CWE to declare the problem leads to CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. Impacted is confidentiality, integrity, and availability.

The weakness was released 05/17/2022. The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2022-29581 since 04/22/2022. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 276356 (TencentOS Server 3: kernel (TSSA-2023:0340)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14 or 5.18 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (276356). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

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: 8.3
VulDB Meta Temp Score: 8.1

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

CNA Base Score: 7.8
CNA Vector (Google Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Reference count
CWE: CWE-911 / CWE-664
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: 276356
Nessus Name: TencentOS Server 3: kernel (TSSA-2023:0340)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.14/5.18
Patch: git.kernel.org

Timelineinfo

04/22/2022 🔍
05/17/2022 +25 days 🔍
05/17/2022 +0 days 🔍
11/23/2025 +1286 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-29581 (🔍)
GCVE (CVE): GCVE-0-2022-29581
GCVE (VulDB): GCVE-100-200096

Entryinfo

Created: 05/17/2022 21:52
Updated: 11/23/2025 12:06
Changes: 05/17/2022 21:52 (50), 05/24/2022 11:38 (1), 05/24/2022 11:47 (1), 05/28/2022 09:27 (7), 11/23/2025 12:06 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.