VDB-271047 · CVE-2024-39492 · GCVE-0-2024-39492

Linux Kernel up to 6.9.3 mtk-cmdq pm_runtime_get_sync return value

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6.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.9.3. It has been rated as problematic. The impacted element is the function pm_runtime_get_sync of the component mtk-cmdq. Performing a manipulation results in return value. This vulnerability is reported as CVE-2024-39492. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 6.9.3. This affects the function pm_runtime_get_sync of the component mtk-cmdq. The manipulation with an unknown input leads to a return value vulnerability. CWE is classifying the issue as CWE-252. The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: mailbox: mtk-cmdq: Fix pm_runtime_get_sync() warning in mbox shutdown The return value of pm_runtime_get_sync() in cmdq_mbox_shutdown() will return 1 when pm runtime state is active, and we don't want to get the warning message in this case. So we change the return value < 0 for WARN_ON().

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2024-39492 since 06/25/2024. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 6.9.4 eliminates this vulnerability. Applying the patch 2d42a37a4518/747a69a119c4 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.

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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: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.0
CNA Vector (Linux): 🔍

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: 🔍

Exploitinginfo

Class: Return value
CWE: CWE-252 / CWE-253
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.9.4
Patch: 2d42a37a4518/747a69a119c4

Timelineinfo

06/25/2024 🔍
07/10/2024 +15 days 🔍
07/10/2024 +0 days 🔍
10/31/2024 +113 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-39492 (🔍)
GCVE (CVE): GCVE-0-2024-39492
GCVE (VulDB): GCVE-100-271047

Entryinfo

Created: 07/10/2024 09:39
Updated: 10/31/2024 01:41
Changes: 07/10/2024 09:39 (58), 07/11/2024 08:44 (2), 10/31/2024 01:41 (11)
Complete: 🔍
Cache ID: 216::103