Linux Kernel up to 6.8.1 brcmstb-avs-cpufreq cpufreq_cpu_get's 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, which was classified as problematic, has been found in Linux Kernel up to 6.8.1. This issue affects the function cpufreq_cpu_get's of the component brcmstb-avs-cpufreq. The manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2024-27051. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.8.1. This issue affects the function cpufreq_cpu_get's of the component brcmstb-avs-cpufreq. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: cpufreq: brcmstb-avs-cpufreq: add check for cpufreq_cpu_get's return value cpufreq_cpu_get may return NULL. To avoid NULL-dereference check it and return 0 in case of error. Found by Linux Verification Center (linuxtesting.org) with SVACE.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2024-27051 since 02/19/2024. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 209060 (Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-7069-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.10.214, 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2 or 6.9-rc1 eliminates this vulnerability. Applying the patch 9127599c075c/d951cf510fb0/e72160cb6e23/b25b64a241d7/74b84d0d7118/e6e3e51ffba0/f661017e6d32 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 (209060) and CERT Bund (WID-SEC-2024-1008). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Oracle VM
  • EMC Avamar
  • IBM QRadar SIEM
  • Dell NetWorker
  • IBM Security Guardium
  • RESF Rocky Linux
  • Broadcom Brocade SANnav
  • Open Source Linux Kernel
  • IBM Business Automation Workflow
  • IBM Spectrum Protect Plus
  • Dell Avamar
  • Juniper Junos Space
  • IBM DataPower Gateway
  • IBM Storage Scale System
  • SolarWinds Security Event Manager
  • Dell PowerProtect Data Domain
  • 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: 209060
Nessus Name: Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-7069-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.10.214/5.15.153/6.1.83/6.6.23/6.7.11/6.8.2/6.9-rc1
Patch: 9127599c075c/d951cf510fb0/e72160cb6e23/b25b64a241d7/74b84d0d7118/e6e3e51ffba0/f661017e6d32

Timelineinfo

02/19/2024 🔍
05/01/2024 +71 days 🔍
05/01/2024 +0 days 🔍
02/07/2026 +647 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-27051 (🔍)
GCVE (CVE): GCVE-0-2024-27051
GCVE (VulDB): GCVE-100-262739
CERT Bund: WID-SEC-2024-1008 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 05/01/2024 15:53
Updated: 02/07/2026 16:54
Changes: 05/01/2024 15:53 (58), 10/16/2024 17:14 (3), 12/23/2024 20:24 (11), 08/03/2025 05:29 (7), 02/07/2026 16:54 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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