VDB-207715 · CVE-2022-3078 · GCVE-0-2022-3078

Linux Kernel up to 5.16-rc6 vidtv_s302m.c vzalloc null pointer dereference

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4.4	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel up to 5.16-rc6. This affects the function vzalloc of the file drivers/media/test-drivers/vidtv/vidtv_s302m.c. This manipulation causes null pointer dereference. This vulnerability is registered as CVE-2022-3078. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 5.16-rc6 (Operating System) and classified as problematic. Affected by this vulnerability is the function vzalloc of the file drivers/media/test-drivers/vidtv/vidtv_s302m.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. The summary by CVE is:

An issue was discovered in the Linux kernel through 5.16-rc6. There is a lack of check after calling vzalloc() and lack of free after allocation in drivers/media/test-drivers/vidtv/vidtv_s302m.c.

The weakness was published 09/02/2022. It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2022-3078 since 09/01/2022. Technical details of the vulnerability are known, but there is no available exploit.

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

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

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: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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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: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

09/01/2022 🔍
09/02/2022 +1 days 🔍
09/02/2022 +0 days 🔍
10/11/2022 +39 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-3078 (🔍)
GCVE (CVE): GCVE-0-2022-3078
GCVE (VulDB): GCVE-100-207715

Entryinfo

Created: 09/02/2022 08:25
Updated: 10/11/2022 08:51
Changes: 09/02/2022 08:25 (42), 10/11/2022 08:51 (11)
Complete: 🔍
Cache ID: 216::103