VDB-297082 · CVE-2022-49499 · Nessus 246825

Linux Kernel up to 5.18.2 null pointer dereference

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5.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.18.2. Impacted is an unknown function. Executing a manipulation can lead to null pointer dereference. This vulnerability is tracked as CVE-2022-49499. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 5.18.2. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix null pointer dereferences without iommu Check if 'aspace' is set before using it as it will stay null without IOMMU, such as on msm8974.

The advisory is available at git.kernel.org. This vulnerability was named CVE-2022-49499 since 02/26/2025. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 246825 (Linux Distros Unpatched Vulnerability : CVE-2022-49499), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.18.3 eliminates this vulnerability. Applying the patch f09937e80f9bc792965476c9a528f26c8fdc9179/36a1d1bda77e1851bddfa9cf4e8ada94476dbaff 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 (246825). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: 246825
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-49499

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.18.3
Patch: f09937e80f9bc792965476c9a528f26c8fdc9179/36a1d1bda77e1851bddfa9cf4e8ada94476dbaff

Timelineinfo

02/26/2025 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍
08/10/2025 +165 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49499 (🔍)
GCVE (CVE): GCVE-0-2022-49499
GCVE (VulDB): GCVE-100-297082

Entryinfo

Created: 02/26/2025 10:11
Updated: 08/10/2025 19:36
Changes: 02/26/2025 10:11 (57), 08/10/2025 19:36 (2)
Complete: 🔍
Cache ID: 216::103

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