VDB-289747 · CVE-2024-56727 · Nessus 216191

Linux Kernel up to 6.1.119/6.6.63/6.11.10/6.12.1 octeontx2-pf otx2_flows.c otx2_mbox_get_rsp null pointer dereference

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5.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Linux Kernel up to 6.1.119/6.6.63/6.11.10/6.12.1 and classified as problematic. The impacted element is the function otx2_mbox_get_rsp of the file otx2_flows.c of the component octeontx2-pf. This manipulation causes an unknown weakness. This vulnerability is tracked as CVE-2024-56727. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 6.1.119/6.6.63/6.11.10/6.12.1. Affected by this vulnerability is the function otx2_mbox_get_rsp of the file otx2_flows.c of the component octeontx2-pf. 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. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_flows.c Adding error pointer check after calling otx2_mbox_get_rsp().

It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2024-56727 since 12/27/2024. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 216191 (SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2025:0428-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.1.120, 6.6.64, 6.11.11 or 6.12.2 eliminates this vulnerability. Applying the patch 8c9f8b35dc3d4ad8053a72bc0c5a7843591f6b75/c4eae7bac880edd88aaed6a8ec2997fa85e259c7/a479b3d7586e6f77f8337bbcac980eaf2d0a4029/e5e60f17d2462ef5c13db4d1a54eef5778fd2295/bd3110bc102ab6292656b8118be819faa0de8dd0 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 (216191) and CERT Bund (WID-SEC-2024-3762). 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
RESF Rocky Linux
Dell NetWorker
Dell Avamar
Red Hat OpenShift
IBM QRadar SIEM
Dell PowerProtect Data Domain
Open Source Linux Kernel
IBM DataPower Gateway
Dell Secure Connect Gateway

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: 5.5
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: 🔍

ADP CISA Base Score: 5.5
ADP CISA Vector: 🔍

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: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍