Linux Kernel up to 5.11.10 Netfilter Subsystem net/netfilter/x_tables.c denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel up to 5.11.10. This affects an unknown function of the file net/netfilter/x_tables.c of the component Netfilter Subsystem. The manipulation results in denial of service. This vulnerability is identified as CVE-2021-29650. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 5.11.10 (Operating System). Affected is an unknown functionality of the file net/netfilter/x_tables.c of the component Netfilter Subsystem. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was released 03/31/2021. The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2021-29650. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 247789 (Linux Distros Unpatched Vulnerability : CVE-2021-29650), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.11.11 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. 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 (247789). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 247789
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-29650

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.11.11
Patch: git.kernel.org

Timelineinfo

03/30/2021 🔍
03/31/2021 +1 days 🔍
03/31/2021 +0 days 🔍
08/11/2025 +1594 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2021-29650 (🔍)
GCVE (CVE): GCVE-0-2021-29650
GCVE (VulDB): GCVE-100-172026

Entryinfo

Created: 03/31/2021 08:23
Updated: 08/11/2025 06:07
Changes: 03/31/2021 08:23 (43), 04/07/2021 10:45 (5), 04/07/2021 10:50 (18), 08/11/2025 06:07 (17)
Complete: 🔍
Cache ID: 216::103

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

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