Linux Kernel up to 6.9.6 dmaengine of_k3_udma_glue_parse_chn_by_id reference count

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.9.6. It has been rated as problematic. This impacts the function of_k3_udma_glue_parse_chn_by_id of the component dmaengine. The manipulation leads to reference count. This vulnerability is listed as CVE-2024-40991. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.9.6. It has been rated as problematic. This issue affects the function of_k3_udma_glue_parse_chn_by_id of the component dmaengine. The manipulation with an unknown input leads to a reference count vulnerability. Using CWE to declare the problem leads to CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma-glue: Fix of_k3_udma_glue_parse_chn_by_id() The of_k3_udma_glue_parse_chn_by_id() helper function erroneously invokes "of_node_put()" on the "udmax_np" device-node passed to it, without having incremented its reference count at any point. Fix it.

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2024-40991 since 07/12/2024. Technical details are known, but no exploit is available.

Upgrading to version 6.9.7 eliminates this vulnerability. Applying the patch a5ab5f413d1e/ba27e9d22077 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

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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: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Reference count
CWE: CWE-911 / CWE-664
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.9.7
Patch: a5ab5f413d1e/ba27e9d22077

Timelineinfo

07/12/2024 🔍
07/12/2024 +0 days 🔍
07/12/2024 +0 days 🔍
10/07/2025 +451 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-40991 (🔍)
GCVE (CVE): GCVE-0-2024-40991
GCVE (VulDB): GCVE-100-271313

Entryinfo

Created: 07/12/2024 17:04
Updated: 10/07/2025 00:17
Changes: 07/12/2024 17:04 (58), 10/07/2025 00:17 (11)
Complete: 🔍
Cache ID: 216::103

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