Linux Kernel brcm_nvram.c brcm_nvram_parse 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 described as problematic has been identified in Linux Kernel. This affects the function brcm_nvram_parse of the file drivers/nvmem/brcm_nvram.c. Executing a manipulation can lead to null pointer dereference. This vulnerability is handled as CVE-2023-3359. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Linux Kernel (Operating System) (unknown version) and classified as problematic. This vulnerability affects the function brcm_nvram_parse of the file drivers/nvmem/brcm_nvram.c. 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. CVE summarizes:

An issue was discovered in the Linux kernel brcm_nvram_parse in drivers/nvmem/brcm_nvram.c. Lacks for the check of the return value of kzalloc() can cause the NULL Pointer Dereference.

The weakness was released 06/29/2023. The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2023-3359 since 06/21/2023. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 247038 (Linux Distros Unpatched Vulnerability : CVE-2023-3359), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the databases at Tenable (247038) and EUVD (EUVD-2023-44026). Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 247038
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-3359

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

06/21/2023 🔍
06/29/2023 +8 days 🔍
06/29/2023 +0 days 🔍
01/26/2026 +942 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-3359 (🔍)
GCVE (CVE): GCVE-0-2023-3359
GCVE (VulDB): GCVE-100-232636
EUVD: 🔍

Entryinfo

Created: 06/29/2023 07:41
Updated: 01/26/2026 20:43
Changes: 06/29/2023 07:41 (41), 07/21/2023 09:15 (10), 08/10/2025 00:59 (17), 01/26/2026 20:43 (1)
Complete: 🔍
Cache ID: 216::103

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