Linux Kernel up to 6.0.11 hwmon devm_kcalloc null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel up to 6.0.11 and classified as critical. This impacts the function devm_kcalloc of the component hwmon. This manipulation causes null pointer dereference. The identification of this vulnerability is CVE-2022-49009. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.0.11 and classified as critical. Affected by this vulnerability is the function devm_kcalloc of the component hwmon. 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. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: hwmon: (asus-ec-sensors) Add checks for devm_kcalloc As the devm_kcalloc may return NULL, the return value needs to be checked to avoid NULL poineter dereference.

The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2022-49009 since 08/22/2024. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 246698 (Linux Distros Unpatched Vulnerability : CVE-2022-49009), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.0.12 eliminates this vulnerability. Applying the patch a41ec58ac352/9bdc112be727 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 databases at Tenable (246698) and CERT Bund (WID-SEC-2024-3251). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • NetApp StorageGRID
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Kyocera Printer
  • NetApp AFF
  • NetApp ActiveIQ Unified Manager
  • SUSE openSUSE
  • IBM Security Guardium
  • RESF Rocky Linux
  • Dell NetWorker
  • Dell Avamar
  • IBM QRadar SIEM
  • NetApp FAS
  • SolarWinds Security Event Manager
  • Dell PowerProtect Data Domain
  • Open Source Linux Kernel
  • Dell PowerScale OneFS

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 246698
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2022-49009

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.0.12
Patch: a41ec58ac352/9bdc112be727

Timelineinfo

08/22/2024 🔍
10/21/2024 +60 days 🔍
10/21/2024 +0 days 🔍
01/18/2026 +454 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49009 (🔍)
GCVE (CVE): GCVE-0-2022-49009
GCVE (VulDB): GCVE-100-281389
CERT Bund: WID-SEC-2024-3251 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 10/21/2024 23:15
Updated: 01/18/2026 23:36
Changes: 10/21/2024 23:15 (59), 10/25/2024 00:27 (11), 07/23/2025 00:21 (7), 08/09/2025 13:55 (2), 10/05/2025 14:43 (1), 01/18/2026 23:36 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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